एपीए उद्धरण

Barker,Ernest. (1965). Principles of social and political theory. Oxford university press.

शिकागो स्टाइल उद्धरण

Barker,Ernest. Principles of Social and Political Theory. London: Oxford university press, 1965.

एमएलए उद्धरण

Barker,Ernest. Principles of Social and Political Theory. Oxford university press, 1965.