एपीए उद्धरण

Ravindran, G. (1983). Water resource. Devi Publications.

शिकागो स्टाइल उद्धरण

Ravindran, G. Water Resource. Trivandru: Devi Publications, 1983.

एमएलए उद्धरण

Ravindran, G. Water Resource. Devi Publications, 1983.