APA সাইটেশন

Barker, E. (1951). Principles of social and political theory. London: Oxford University Press.

শিকাগো স্টাইলে সাইটেশন

Barker, Ernest. Principles of Social and Political Theory. London: Oxford University Press, 1951.

এমএলএ সাইটেশন

Barker, Ernest. Principles of Social and Political Theory. London: Oxford University Press, 1951.