Ranney, Austin, author
Democracy and the American party system
Harcourt, Brace and Company, 1956
 Buku Teks
Bone, Hugh A., author
American politics and the party system
McGraw-Hill, 1965
 Buku Teks
Cummings, Milton C., author
Democracy under pressure: an introduction to the American political system
Harcourt Brace Jovanovich, 1977
 Buku Teks
Cummings, Milton C., author
Democracy under pressure: an introduction to the American political system
Harcourt Brace Jovanovich, 1981
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Greenstein, Fred I., author
The American party system and the American people /by Fred I. Greenstein.
Englewood Cliffs, 1970
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