APA সাইটেশন

Barker, E. (1976). Principles of social and political theory. O. U. P.

শিকাগো স্টাইলে সাইটেশন

Barker, Ernest. Principles of Social and Political Theory. Calcutta: O. U. P, 1976.

এমএলএ সাইটেশন

Barker, Ernest. Principles of Social and Political Theory. O. U. P, 1976.