एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

Barker, Ernest. Principles of Social and Political Theory. Calcutta, Oxford University Press, 1976.

एमएलए उद्धरण

Barker, Ernest. Principles of Social and Political Theory. 1976.