एपीए उद्धरण

Ravi Kumar, R. (1993). Proceedings of the fifth Kerala Science Congress. State committee on Science,technology and environment.

शिकागो स्टाइल उद्धरण

Ravi Kumar, R. Proceedings of the Fifth Kerala Science Congress. Thiruvananthapuram: State committee on Science,technology and environment, 1993.

एमएलए उद्धरण

Ravi Kumar, R. Proceedings of the Fifth Kerala Science Congress. State committee on Science,technology and environment, 1993.