Ranney, Austin
Democracy and the American party system
Harcourt, Brace and Company, 1956
 Buku Teks
Greenstein, Fred I.
The American party system and the American people
Prentice-Hall, 1970
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Huntington, Samuel P.
American politics
The Belknap Press, 1981
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Bone, Hugh A.
Party committees and national politics
University of Washington Press, 1958
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Jupp, James
Australia party politics
London Melbourne University Press 1964
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