Penniman, H. R. (1952). American parties and elections (5th ed.). New York: Appleton Century Crofts.
Παραπομπή Chicago StylePenniman, Howard R. American Parties and Elections. 5th ed. New York: Appleton Century Crofts, 1952.
ציטוט MLAPenniman, Howard R. American Parties and Elections. 5th ed. New York: Appleton Century Crofts, 1952.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.