APA aipamena

O'Connor, K., & Sabato, L. (1999). American government: Continuity and change (1999 ed.). Allyn and Bacon.

Chicago Style aipamena

O'Connor, Karen, and Larry Sabato. American Government: Continuity and Change. 1999 ed. Boston: Allyn and Bacon, 1999.

MLA aipamena

O'Connor, Karen, and Larry Sabato. American Government: Continuity and Change. 1999 ed. Allyn and Bacon, 1999.