APA (7th ed.) Zitazioa

BACKER, A. (1973). The study of politics: The Western tradition. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

BACKER, Andrew. The Study of Politics: The Western Tradition. New York: McGraw-Hill, 1973.

MLA (9th ed.) Zitazioa

BACKER, Andrew. The Study of Politics: The Western Tradition. McGraw-Hill, 1973.