APA استشهاد

Gauba, O. P. (2003). Introduction to political theory (4 edition.). Macmillan & Co. Ltd.

استشهاد بنمط شيكاغو

Gauba, O P. Introduction to Political Theory. 4 edition. New Delhi: Macmillan & Co. Ltd, 2003.

MLA استشهاد

Gauba, O P. Introduction to Political Theory. 4 edition. Macmillan & Co. Ltd, 2003.