एपीए उद्धरण

Gupta, R. (1979). Indian Ocean: A Political geography. Marwah.

शिकागो स्टाइल उद्धरण

Gupta, Ranjan. Indian Ocean: A Political Geography. New Delhi: Marwah, 1979.

एमएलए उद्धरण

Gupta, Ranjan. Indian Ocean: A Political Geography. Marwah, 1979.