एपीए उद्धरण

Friedmann,W. (1965). An introduction to world politics (5th ed.). Macmillan.

शिकागो स्टाइल उद्धरण

Friedmann,W. An Introduction to World Politics. 5th ed. London: Macmillan, 1965.

एमएलए उद्धरण

Friedmann,W. An Introduction to World Politics. 5th ed. Macmillan, 1965.