Serow, A. G., & Ladd, E. C. (1990). The American polity reader. New York: Norton.
Trích dẫn kiểu ChicagoSerow, Ann Gostyn, và Everett Carll Ladd. The American Polity Reader. New York: Norton, 1990.
ציטוט MLASerow, Ann Gostyn, và Everett Carll Ladd. The American Polity Reader. New York: Norton, 1990.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.