• Allison, G. 1971. Essence of decision: explaining the Cuban missile crisis. Boston : Little Brown.
  • Bakema, W.E. 1991. ‘The ministerial career’ in JeanBlondel and Jean-LouisThikbault, (eds.) The profession of government minister in Western Europe. London : Macmillan.
  • Blondel, J. 1985. Cabinet ministers in the contemporary world. London and Beverly Hills : Sage.
  • European Commission. 1990 Political union: Commission opinion. Luxembourg : Commission of the European Communities.
  • Fiorina, M. 1980. ‘The decline of collective responsibility in American politics Daedalus 109, 2336.
  • Hintze, O. 1964. ‘Der Commissarius und seine Bedeutung in der allgezmeinen Venvaltungsgeschichte’ in O. Hintze Staat and Verfnssung. Gesammelte Abhundlungen zur allgemeinen Verfussungsgeschichte. Göttingen : Vandenhoeck und Ruprecht.
  • Losi, T.J. 1969. The end of liberalism. New York Norton .
  • Mezey, M. 1979. Comparative legislatures. Durham , North Carolina : Duke University Press.
  • Müller, W.C. and W. Phillip 1991. ‘Prime ministers and other government heads’ in JeanBlondel and Jean-LouisThiebault, (eds.) The profession of government minister in Western Europe. London : Macmillan.
  • Ogul, M.S. and B.A. Rockman 1991. ‘Overseeing oversight: new perspectives on old problems’, Legislative Studies Quarterly xv, 1, 524.
  • Rose, R. 1974. The problem of party government. Harmondsworth : Penguin.
  • Rose, R. 1980. ‘Governments against sub-governments. A European perspective on Washington’ in R.Rose and E.N.Suleiman, (eds.) Presidents and Prime Ministers. Washington , DC : American Enterprise Institute.
  • Schmitt, H.A. 1962. The path to European union. From the Marshall Plan to the Common Market. Baton Rouge : Louisiana: Louisiana State University Press.
  • Shepsle, K.A. 1988. ‘Representation and governance. The great legislative trade-off. Journal of Politics. 103, 46184.
  • Weber M. 1972. Wirtschaft und Gesellschaft. Tübingen : J.C.B. Mohr.
  • Wildavsky, A. 1990 A world of difference - the public philosophies and political behaviors of rival American cultures’ in A.King, (ed.) The new American political system (2nd version). Washington DC : American Enterprise Institute.
  • Wood, B.D. and R.W. Waterman 1991. ‘The dynamics of political control of the bureaucracy’, American Political Science Review 85, 3, 80128.