Adler-Nissen, R. (2009) ‘Behind the scenes of differentiated integration: circumventing national opt-outs in Justice and Home Affairs’, Journal of European Public Policy, 16(1), pp. 62–80. Available at: https://doi.org/10.1080/13501760802453239.
Alberta Sbragia (2006) ‘The United States and the European Union: Comparing two Sui Generis Systems’, in A.M. Martin A. Schain (ed.) Comparative federalism: The European Union and the United States in Comparative Perspective. Oxford: Oxford University Press. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://site.ebrary.com/lib/leicester/Doc?id=10271606.
Andersen, S.S. and Sitter, N. (2006) ‘Differentiated Integration: What is it and How Much Can the EU Accommodate?’, Journal of European Integration, 28(4), pp. 313–330. Available at: https://doi.org/10.1080/07036330600853919.
Andrew HurrellAnand Menon (1996) ‘Politics like any other? Comparative politics, international relations and the study of the EU’, West European politics, 19. Available at: http://go.galegroup.com.ezproxy4.lib.le.ac.uk/ps/i.do?id=GALE%7CA18621434&v=2.1&u=leicester&it=r&p=EAIM&sw=w.
Andrew Moravcsik (1991a) ‘Negotiating the Single European Act: National Interests and Conventional Statecraft in the European Community’, International Organization, 45(1), pp. 19–56. Available at: http://www.jstor.org.ezproxy3.lib.le.ac.uk/stable/2706695.
Andrew Moravcsik (1991b) ‘Negotiating the Single European Act: National Interests and Conventional Statecraft in the European Community’, International Organization, 45(1), pp. 19–56. Available at: http://www.jstor.org.ezproxy3.lib.le.ac.uk/stable/2706695.
A-P Frognier, S.D. (1995) ‘Is there a European identity?’, in Niedermayer, Oskar (ed.) Public opinion and internationalized governance. Oxford: Oxford University Press. Available at: https://blackboard.le.ac.uk/bbcswebdav/pid-952427-dt-content-rid-2429197_5/library/eReserves/PL7594S13/PL7594_33227.pdf.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011a) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011b) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011c) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011d) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011e) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Bache, Ian, George, Stephen, and Bulmer, Simon (2011f) Politics in the European Union. 3rd ed. Oxford: Oxford University Press.
Berthold Rittberger, F.S. (2005) ‘Theories of European integration: assumptions and hypotheses’, in Jeremy Richardson (ed.) European Union: power and policy-making. London: Routledge. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://www.myilibrary.com?id=29081.
Bogdani, Mirela (2011) Turkey and the dilemma of EU accession: when religion meets politics. London: I.B. Tauris. Available at: http://site.ebrary.com/lib/leicester/Doc?id=10522056.
Bruter, Michael (2004) Citizens of Europe?: the emergence of a mass European identity. Basingstoke: Palgrave. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://www.myilibrary.com?id=42467.
Bulmer, Simon (2002) British devolution and European policy-making: transforming Britain into multi-level governance. Houndmills, Basingstoke, Hampshire: Palgrave Macmillan. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://site.ebrary.com/lib/leicester/Doc?id=10076920.
Bulmer, Simon and Lequesne, Christian (2013) The member states of the European Union. 2nd ed. Oxford: Oxford University Press.
BUTI, M. and CARNOT, N. (2012) ‘The EMU Debt Crisis: Early Lessons and Reforms*’, JCMS: Journal of Common Market Studies, 50(6), pp. 899–911. Available at: https://doi.org/10.1111/j.1468-5965.2012.02288.x.
Cini, Michelle and Pérez-Solórzano Borragán, Nieves (2013a) European Union politics. 4th ed. Oxford: Oxford University Press.
Cini, Michelle and Pérez-Solórzano Borragán, Nieves (2013b) European Union politics. 4th ed. Oxford: Oxford University Press.
Cini, Michelle and Pérez-Solórzano Borragán, Nieves (2013c) European Union politics. 4th ed. Oxford: Oxford University Press.
Cini, Michelle and Pérez-Solórzano Borragán, Nieves (2013d) European Union politics. 4th ed. Oxford: Oxford University Press.
Cini, Michelle and Pérez-Solórzano Borragán, Nieves (2013e) European Union politics. 4th ed. Oxford: Oxford University Press.
Coultrap, J. (1999) ‘From Parliamentarism to Pluralism: Models of Democracy and the European Union’s `Democratic Deficit’’, Journal of Theoretical Politics, 11(1), pp. 107–135. Available at: https://doi.org/10.1177/0951692899011001005.
Crum, B. (2013) ‘Saving the Euro at the Cost of Democracy?’, JCMS: Journal of Common Market Studies, 51(4), pp. 614–630. Available at: https://doi.org/10.1111/jcms.12019.
Curtis, K.A. (2014) ‘Inclusive versus exclusive: A cross-national comparison of the effects of subnational, national, and supranational identity’, European Union Politics [Preprint]. Available at: https://doi.org/10.1177/1465116514528058.
DINAN, D. (2012) ‘Governance and Institutions: Impact of the Escalating Crisis’, JCMS: Journal of Common Market Studies, 50, pp. 85–98. Available at: https://doi.org/10.1111/j.1468-5965.2012.02268.x.
Dinan, Desmond (2004) Europe recast: a history of European Union. Basingstoke: Palgrave Macmillan.
Dyson, Kenneth H. F. and Sepos, Angelos (2010) Which Europe?: the politics of differentiated integration. Basingstoke: Palgrave Macmillan. Available at: http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5663611350002746&institutionId=2746&customerId=2745.
EICHENGREEN, B. (2012) ‘European Monetary Integration with Benefit of Hindsight’, JCMS: Journal of Common Market Studies, 50, pp. 123–136. Available at: https://doi.org/10.1111/j.1468-5965.2011.02231.x.
EU speech at Bloomberg - Speeches - GOV.UK (no date). Available at: https://www.gov.uk/government/speeches/eu-speech-at-bloomberg.
‘European Union Politics’ (no date). Available at: http://ezproxy.lib.le.ac.uk/login?url=https://journals.sagepub.com/loi/EUP.
GERHARDS, J. and HANS, S. (2011) ‘Why not Turkey? Attitudes towards Turkish Membership in the EU among Citizens in 27 European Countries’, JCMS: Journal of Common Market Studies, 49(4), pp. 741–766. Available at: https://doi.org/10.1111/j.1468-5965.2010.02155.x.
Güney, A. (2005) ‘The future of Turkey in the European Union’, Futures, 37(4), pp. 303–316. Available at: https://doi.org/10.1016/j.futures.2004.07.001.
HAGEMANN, S. and HØYLAND, B. (2010) ‘Bicameral Politics in the European Union’, JCMS: Journal of Common Market Studies, 48(4), pp. 811–833. Available at: https://doi.org/10.1111/j.1468-5965.2010.02075.x.
Hayes‐Renshaw, F. and Wallace, H. (1995) ‘Executive power in the European Union: The functions and limits of the Council of Ministers*’, Journal of European Public Policy, 2(4), pp. 559–582. Available at: https://doi.org/10.1080/13501769508407007.
Hix, S. (1994) ‘The study of the European community: The challenge to comparative politics’, West European Politics, 17(1), pp. 1–30. Available at: https://doi.org/10.1080/01402389408424999.
Hix, S. (1998) ‘The study of the European Union II: the “new governance” agenda and its rival’, Journal of European Public Policy, 5(1), pp. 38–65. Available at: https://doi.org/10.1080/13501768880000031.
Hix, Simon and Hoyland, Bjorn (2011a) The political system of the European Union. 3rd ed. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4763992.
Hix, Simon and Hoyland, Bjorn (2011b) The political system of the European Union. 3rd ed. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4763992.
Hix, Simon and Hoyland, Bjorn (2011c) The political system of the European Union. 3rd ed. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4763992.
HODSON, D. (2011) ‘The EU Economy: The Eurozone in 2010*’, JCMS: Journal of Common Market Studies, 49, pp. 231–249. Available at: https://doi.org/10.1111/j.1468-5965.2011.02177.x.
HODSON, D. (2012) ‘The Eurozone in 2011’, JCMS: Journal of Common Market Studies, 50, pp. 178–194. Available at: https://doi.org/10.1111/j.1468-5965.2012.02270.x.
Hodson, D. (2013) ‘The Eurozone in 2012: ‘Whatever It Takes to Preserve the Euro’?’, JCMS: Journal of Common Market Studies, 51, pp. 183–200. Available at: https://doi.org/10.1111/jcms.12044.
Howarth, D. and Quaglia, L. (2013) ‘Banking Union as Holy Grail: Rebuilding the Single Market in Financial Services, Stabilizing Europe’s Banks and “Completing” Economic and Monetary Union’, JCMS: Journal of Common Market Studies, 51, pp. 103–123. Available at: https://doi.org/10.1111/jcms.12054.
Jabko, Nicolas, Parsons, Craig, and European Union Studies Association (2005) The state of the European Union: European trends in American perspective, Vol.7: With US or against US? Oxford: Oxford University Press.
‘JCMS: Journal of Common Market Studies’ (no date a). Available at: http://ezproxy.lib.le.ac.uk/login?url=http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1468-5965.
‘JCMS: Journal of Common Market Studies’ (no date b), Volume 50(Issue 6). Available at: http://onlinelibrary.wiley.com.ezproxy3.lib.le.ac.uk/doi/10.1111/jcms.2012.50.issue-6/issuetoc.
Jolly, M. (2005) ‘A Demos for the European Union?’, Politics, 25(1), pp. 12–18. Available at: https://doi.org/10.1111/j.1467-9256.2005.00224.x.
Jones, Erik (2005) ‘European Macroeconomic Governance’, in Jeremy Richardson (ed.) European Union: Power and policy-making. 3rd ed. London: Routledge. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://www.myilibrary.com?id=29081.
‘Journal of European Public Policy’ (no date). Available at: http://ezproxy.lib.le.ac.uk/login?url=https://www.tandfonline.com/loi/rjpp20.
Lake, Michael (2005) The EU & Turkey: a glittering prize or a millstone? London: Federal Trust for Education and Research.
LEBLOND, P. (2006) ‘The Political Stability and Growth Pact is Dead: Long Live the Economic Stability and Growth Pact’, JCMS: Journal of Common Market Studies, 44(5), pp. 969–990. Available at: https://doi.org/10.1111/j.1468-5965.2006.00670.x.
Leconte, Cécile (2010) Understanding Euroscepticism. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4763415.
Lelieveldt, Herman and Princen, Sebastiaan (2011a) The politics of the European Union. Cambridge: Cambridge University Press. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=5120109.
Lelieveldt, Herman and Princen, Sebastiaan (2011b) The politics of the European Union. Cambridge: Cambridge University Press. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=5120109.
Lelieveldt, Herman and Princen, Sebastiaan (2011c) The politics of the European Union. Cambridge: Cambridge University Press. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=5120109.
Lelieveldt, Herman and Princen, Sebastiaan (2011d) The politics of the European Union. Cambridge: Cambridge University Press. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=5120109.
Leuffen, Dirk, Rittberger, Berthold, and Schimmelfennig, Frank (2013a) Differentiated integration: explaining variation in the European Union. Basingstoke: Palgrave Macmillan.
Leuffen, Dirk, Rittberger, Berthold, and Schimmelfennig, Frank (2013b) Differentiated integration: explaining variation in the European Union. Basingstoke: Palgrave Macmillan.
Leuffen, Dirk, Rittberger, Berthold, and Schimmelfennig, Frank (2013c) Differentiated integration: explaining variation in the European Union. Basingstoke: Palgrave Macmillan.
Leuffen, Dirk, Rittberger, Berthold, and Schimmelfennig, Frank (2013d) Differentiated integration: explaining variation in the European Union. Basingstoke: Palgrave Macmillan.
Liesbet Hooghe and Gary Marks (2003) ‘Unraveling the Central State, but How? Types of Multi-Level Governance’, The American Political Science Review, 97(2). Available at: http://www.jstor.org.ezproxy4.lib.le.ac.uk/stable/3118206.
Lord, Christopher (2004) A democratic audit of the European Union. Basingstoke: Palgrave Macmillan. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=112247.
MACMILLAN, C. (2009) ‘The Application of Neofunctionalism to the Enlargement Process: The Case of Turkey’, JCMS: Journal of Common Market Studies, 47(4), pp. 789–809. Available at: https://doi.org/10.1111/j.1468-5965.2009.02005.x.
Marks, G., Hooghe, L. and Blank, K. (1996) ‘European Integration from the 1980s: State-Centric v. Multi-level Governance’, JCMS: Journal of Common Market Studies, 34(3), pp. 341–378. Available at: https://doi.org/10.1111/j.1468-5965.1996.tb00577.x.
McCormick, John (2011a) European Union politics. Basingstoke: Palgrave Macmillan.
McCormick, John (2011b) European Union politics. Basingstoke: Palgrave Macmillan.
McCormick, John (2011c) European Union politics. Basingstoke: Palgrave Macmillan.
McCormick, John (2011d) European Union politics. Basingstoke: Palgrave Macmillan.
McLaren, Lauren M. (2006) Identity, interests, and attitudes to European integration. Basingstoke: Palgrave Macmillan. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://search.ebscohost.com/login.aspx?direct=true&scope=site&db=nlebk&db=nlabk&AN=159306.
McLaren, L.M. (2007) ‘Explaining Opposition to Turkish Membership of the EU’, European Union Politics, 8(2), pp. 251–278. Available at: https://doi.org/10.1177/1465116507076432.
Milio, Simona (2010) From policy to implementation in the European Union: the challenge of a multi-level governance system. London: Tauris Academic Studies. Available at: http://site.ebrary.com/lib/leicester/Doc?id=10445308.
Monar, J. (2006) ‘Cooperation in the Justice and Home Affairs Domain: Characteristics, Constraints and Progress’, Journal of European Integration, 28(5), pp. 495–509. Available at: https://doi.org/10.1080/07036330600979797.
MONAR, J. (2012) ‘Justice and Home Affairs’, JCMS: Journal of Common Market Studies, 50, pp. 116–131. Available at: https://doi.org/10.1111/j.1468-5965.2012.02271.x.
Monar, J. (2012) ‘Justice and Home Affairs: The Treaty of Maastricht as a Decisive Intergovernmental Gate Opener’, Journal of European Integration, 34(7), pp. 717–734. Available at: https://doi.org/10.1080/07036337.2012.726011.
Monar, J. (2013) ‘Justice and Home Affairs’, JCMS: Journal of Common Market Studies, 51, pp. 124–138. Available at: https://doi.org/10.1111/jcms.12041.
MORAVCSIK, A. (1993) ‘Preferences and Power in the European Community: A Liberal Intergovernmentalist Approach’, JCMS: Journal of Common Market Studies, 31(4), pp. 473–524. Available at: http://ezproxy.lib.le.ac.uk/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=bth&AN=9406230041&site=ehost-live.
MORAVCSIK, A. (1995) ‘Liberal Intergovernmentalism and Integration: A Rejoinder’, JCMS: Journal of Common Market Studies, 33(4), pp. 611–628. Available at: https://doi.org/10.1111/j.1468-5965.1995.tb00554.x.
Moravcsik, A. and Vachudova, M.A. (2003) ‘National Interests, State Power, and EU Enlargement’, East European Politics and Societies, 17(1), pp. 42–57. Available at: https://doi.org/10.1177/0888325402239682.
Moravcsik, Andrew (1998) The choice for Europe: social purpose and state power from Messina to Maastricht. London: UCL Press.
Neve, J. de (2007) ‘The European Onion? How Differentiated Integration is Reshaping the EU’, Journal of European Integration, 29(4), pp. 503–521. Available at: https://doi.org/10.1080/07036330701502498.
Nugent, N. (2007) ‘The EU’s Response to Turkey’s Membership Application: Not Just a Weighing of Costs and Benefits’, Journal of European Integration, 29(4), pp. 481–502. Available at: https://doi.org/10.1080/07036330701502480.
Nugent, Neill (2004) European Union enlargement. Basingstoke: Palgrave Macmillan.
Nugent, Neill (2010a) The government and politics of the European Union. 7th ed. Basingstoke: Palgrave Macmillan.
Nugent, Neill (2010b) The government and politics of the European Union. 7th ed. Basingstoke: Palgrave Macmillan.
Nugent, Neill (2010c) The government and politics of the European Union. 7th ed. Basingstoke: Palgrave Macmillan.
O’Brennan, John (2006) The eastern enlargement of the European Union. New York: Routledge.
Occhipinti, J.D. (2013) ‘Whither the withering democratic deficit? The impact of the Lisbon Treaty on the Area of Freedom, Security and Justice’, Cambridge Review of International Affairs, pp. 1–23. Available at: https://doi.org/10.1080/09557571.2013.810589.
REH, C. (2009) ‘The Lisbon Treaty: De-Constitutionalizing the European Union?’, JCMS: Journal of Common Market Studies, 47(3), pp. 625–650. Available at: https://doi.org/10.1111/j.1468-5965.2009.01819.x.
Rittberger, B. (2003) ‘The Creation and Empowerment of the European Parliament*’, JCMS: Journal of Common Market Studies, 41(2), pp. 203–225. Available at: https://doi.org/10.1111/1468-5965.00419.
Rosamond, Ben (2000) Theories of European integration /Ben Rosamund. Basingstoke: Macmillan.
Schimmelfennig, Frank (2005) ‘The process of enlargement: problems, interests and norms’, in Jeremy Richardson (ed.) European Union: Power and policy-making. 3rd edn. London: Routledge. Available at: http://ezproxy.lib.le.ac.uk/login?url=http://www.myilibrary.com?id=29081.
Schmidt, S.K. (2000) ‘Only an Agenda Setter?: The European Commission’s Power over the Council of Ministers’, European Union Politics, 1(1), pp. 37–61. Available at: https://doi.org/10.1177/1465116500001001003.
Schmitt, Hermann and Thomassen, J. J. A. (1999) Political representation and legitimacy in the European Union. Oxford: Oxford University Press.
Sonia Mazey, B.L. (2005) ‘European integration: the European Union – reaching an equilibrium?’, in European Union: power and policy-making. 3rd ed. London: Routledge. Available at: http://le.alma.exlibrisgroup.com/view/action/uresolver.do?operation=resolveService&package_service_id=5665852750002746&institutionId=2746&customerId=2745.
Stubb, A.C.-G. (1996) ‘A Categorization of Differentiated Integration’, JCMS: Journal of Common Market Studies, 34(2), pp. 283–295. Available at: https://doi.org/10.1111/j.1468-5965.1996.tb00573.x.
Taylor & Francis Online :: European Security - Volume 19, Issue 2 (no date). Available at: http://www.tandfonline.com.ezproxy3.lib.le.ac.uk/toc/feus20/19/2#.UmaEa1P4uO5.
Taylor & Francis Online :: Journal of European Integration - Volume 31, Issue 1 (no date). Available at: http://www.tandfonline.com.ezproxy3.lib.le.ac.uk/toc/geui20/31/1#.UmaLHFP4uO5.
THOMSON, R. and HOSLI, M. (2006a) ‘Who Has Power in the EU? The Commission, Council and Parliament in Legislative Decision-making*’, JCMS: Journal of Common Market Studies, 44(2), pp. 391–417. Available at: https://doi.org/10.1111/j.1468-5965.2006.00628.x.
THOMSON, R. and HOSLI, M. (2006b) ‘Who Has Power in the EU? The Commission, Council and Parliament in Legislative Decision-making*’, JCMS: Journal of Common Market Studies, 44(2), pp. 391–417. Available at: https://doi.org/10.1111/j.1468-5965.2006.00628.x.
Treaties (no date). Available at: http://eur-lex.europa.eu/collection/eu-law/treaties.html.
Versluis, Esther, Keulen, Mendeltje van, and Stephenson, Paul (2011a) Analyzing the European Union policy process. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4764035.
Versluis, Esther, Keulen, Mendeltje van, and Stephenson, Paul (2011b) Analyzing the European Union policy process. Basingstoke: Palgrave Macmillan. Available at: https://ebookcentral.proquest.com/lib/leicester/detail.action?docID=4764035.
Wallace, H., Pollack, M.A. and Young, A.R. (eds) (2015) Policy-making in the European Union. Seventh edition. Oxford, England: Oxford University Press.
Wallace, Helen, Pollack, Mark A., and Young, Alasdair R. (2010a) Policy-making in the European Union. 6th ed. Oxford: Oxford University Press.
Wallace, Helen, Pollack, Mark A., and Young, Alasdair R. (2010b) Policy-making in the European Union. 6th ed. Oxford: Oxford University Press.
Wallace, Helen, Pollack, Mark A., and Young, Alasdair R. (2010c) Policy-making in the European Union. 6th ed. Oxford: Oxford University Press.
Wayne Sandholtz and John Zysman (1989a) ‘1992: Recasting the European Bargain’, World Politics, 42(1), pp. 95–128. Available at: http://www.jstor.org.ezproxy3.lib.le.ac.uk/stable/2010572.
Wayne Sandholtz and John Zysman (1989b) ‘1992: Recasting the European Bargain’, World Politics, 42(1), pp. 95–128. Available at: http://www.jstor.org.ezproxy3.lib.le.ac.uk/stable/2010572.
Weiler, J.H.H. (1997) ‘To be a European citizen - Eros and civilization’, Journal of European Public Policy, 4(4), pp. 495–519. Available at: https://doi.org/10.1080/135017697344037.
‘West European Politics’ (no date). Available at: http://ezproxy.lib.le.ac.uk/login?url=https://www.tandfonline.com/loi/fwep20.
Wiener, Antje and Diez, Thomas (2009) European integration theory. 2nd ed. Oxford: Oxford University Press.
WINCOTT, D. (1995) ‘Institutional Interaction and European Integration: Towards an Everyday Critique of Liberal Inter governmentalism’, JCMS: Journal of Common Market Studies, 33(4), pp. 597–609. Available at: https://doi.org/10.1111/j.1468-5965.1995.tb00553.x.
Zimmermann, Hubert and Dür, Andreas (2012a) Key controversies in European integration. Basingstoke: Palgrave Macmillan.
Zimmermann, Hubert and Dür, Andreas (2012b) Key controversies in European integration. Basingstoke: Palgrave Macmillan.
Zimmermann, Hubert and Dür, Andreas (2012c) Key controversies in European integration. Basingstoke: Palgrave Macmillan.
Zimmermann, Hubert and Dür, Andreas (2012d) Key controversies in European integration. Basingstoke: Palgrave Macmillan.
Zimmermann, Hubert and Dür, Andreas (2012e) Key controversies in European integration. Basingstoke: Palgrave Macmillan.