APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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