Παραπομπή APA

Hacker, A. (1961). Political theory: Philosophy ideology science. Mc millan Company.

Παραπομπή Chicago Style

Hacker, Audrew. Political Theory: Philosophy Ideology Science. New York: Mc millan Company, 1961.

Παραπομπή MLA

Hacker, Audrew. Political Theory: Philosophy Ideology Science. Mc millan Company, 1961.