Greenstein, F. I. (1963). The american party system and the American people. N J Prentice Hall.
Παραπομπή Chicago StyleGreenstein, Fred I. The American Party System and the American People. Eanglewood cliffs: N J Prentice Hall, 1963.
Παραπομπή MLAGreenstein, Fred I. The American Party System and the American People. N J Prentice Hall, 1963.
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