Michels, Robert, 1876-1936
Political Parties : a sociological study of the oligarchical tendencies of modern democracy
Collier Books, 1962
Buku Teks
Klingemann, Hans-Dieter
Partai kebijakan dan demokrasi = Parties, policies, and democracy / Hans-Dieter Klingemann, Richard I. Hofferbert, Ian Budge; Penerjemah, Sigit Jatmika
Jentera bekerjasama dengan pustaka pelajar, 1999
Buku Teks
Political parties and democracy in central America
edited by Louis W. Goodman, William M. LeoGrande, Johanna Mendelson Forman
Westview Press, 1992
Buku Teks
Herring, E. Pendleton
The politics of democracy; American parties in action
Norton, 1966
Buku Teks
Neal, Harry Edward
Diary of democracy the story of political parties in America
Julian Messner, 1963
Buku Teks