Bracher, K. D. (1982). Zeit der Ideologien: Eine Geschichte politischen Denkens im 20. Jahrhundert. Stuttgart, Germany: Deutsche Verlags-Anstalt.
2.
Downs, A. (1957). An economic theory of democracy. New York: Harper & Row.
3.
Fritzsche, P. (1993). Breakdown or breakthrough? Conservatives and the November revolution. In L. E. Jones & J. Retallack (Eds.), Between reform, reaction, and resistance: Studies in the history of German conservatism from 1789 to 1945 (pp. 299-328). Providence, RI: Berg.
4.
Kitschelt, H. (1994). The transformation of European social democracy. Cambridge, UK: Cambridge University Press.
5.
Mainwaring, S. , & Scully, T. R. (1995). Introduction: Party systems in Latin America. In S. Mainwaring & T. R. Scully (Eds.), Building democratic institutions: Party systems in Latin America (pp. 1-34). Stanford, CA: Stanford University Press.
6.
Pridham, G. , & Lewis, P. (1996). Introduction: Stabilising fragile democracies and party system development. In G. Pridham & P. Lewis (Eds.), Stabilising fragile democracies: Comparing new party systems in Southern and Eastern Europe (pp. 1-22). London: Routledge.
7.
Taylor-Robinson, M. M. (2001). Old parties and new democracies: Do they bring out the best in one another?Party Politics, 7(5), 581-604.