APA استشهاد

Gauba O P. (2011). Introduction to political theory (5.). Macmillan publishing.

استشهاد بنمط شيكاغو

Gauba O P. Introduction to Political Theory. 5. Delhi: Macmillan publishing, 2011.

MLA استشهاد

Gauba O P. Introduction to Political Theory. 5. Macmillan publishing, 2011.