एपीए उद्धरण

Venkitaraman,P R. (1983). Textbook of Economic Zoology. Sudharshana Publications.

शिकागो स्टाइल उद्धरण

Venkitaraman,P R. Textbook of Economic Zoology. cochin: Sudharshana Publications, 1983.

एमएलए उद्धरण

Venkitaraman,P R. Textbook of Economic Zoology. Sudharshana Publications, 1983.