Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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