Huckshorn, R. J. (1984). Political Parties In America Robert J. Huckshorn. Brooks/Cole.
Lua i Stíl Chicago (17ú heag.)Huckshorn, Robert J. Political Parties In America Robert J. Huckshorn. Brooks/Cole, 1984.
Lua MLA (8ú heag.)Huckshorn, Robert J. Political Parties In America Robert J. Huckshorn. Brooks/Cole, 1984.
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