1Joseph LaPalombar and Myron Weiner, Political Parties and Political Development, Princeton University Press, 1960.
2Maurice Duverger, Political Parties: Their Organization and Activity in the Modem State, London: Methuen & Co. Ltd, 1954, pp.xxiii- xxxvii.
3A. Panebianco, Political parties: organization and power, Cambridge University Press, 1998, p.50.
4Stephen K Wegren, The Coummunist Party of Ruissa: Rural Support and Implications for the Party Sustem, Party politics. Vol. 10,No.5.
5Maurice Duverger, Political Parties: Their Organization and Activity in the Modem State,p.61.
6Sarpy County Republican Party Constitution, Adopted 5 June 2004.
7Patrick Seyd and Patti Whiteley, British Party Members: An Overview, Party Politics, Vol.10, No.4, pp.355-366.
8Alan Martin and Philip Cowley, Ambassadors in the Community: Labour Party Members in Society, Polities, Vol. 19, Issue 2, p.89.
9Charles Edward Merriam and Harold Foote Gosnell, The American Party System: An Introduction to the Stady of Political Parities in the United State, the Macmillan Company, 1949,p. 175.
10Dean McSweeney and John Zvesper, American Political Parties: the Formation, Decline and Reform of the American Party System, Routledge, 1991, p.106
