APA সাইটেশন

Gauba,O P. (2003). An introduction to political theory (4th ed.). Macmillan.

শিকাগো স্টাইলে সাইটেশন

Gauba,O P. An Introduction to Political Theory. 4th ed. Delhi: Macmillan, 2003.

এমএলএ সাইটেশন

Gauba,O P. An Introduction to Political Theory. 4th ed. Macmillan, 2003.