एपीए उद्धरण

Delury, G. E. (1983). World Encyclopedia of Political Systems. Longman.

शिकागो स्टाइल उद्धरण

Delury, George E. World Encyclopedia of Political Systems. Essex: Longman, 1983.

एमएलए उद्धरण

Delury, George E. World Encyclopedia of Political Systems. Longman, 1983.