एपीए उद्धरण

Chopra, P. (1971). Before and after the Indo-Soviet treaty. S. Chand.

शिकागो स्टाइल उद्धरण

Chopra, Pran. Before and After the Indo-Soviet Treaty. New Delhi: S. Chand, 1971.

एमएलए उद्धरण

Chopra, Pran. Before and After the Indo-Soviet Treaty. S. Chand, 1971.