APA-Zitierstil (7. Ausg.)

Sharma, P. D. (1975). Elements of ecology: For B.Sc., B.Sc. (Hons.) and M.Sc. students. Rastogi Publications.

Chicago-Zitierstil (17. Ausg.)

Sharma, P. D. Elements of Ecology: For B.Sc., B.Sc. (Hons.) and M.Sc. Students. Meerut: Rastogi Publications, 1975.

MLA-Zitierstil (9. Ausg.)

Sharma, P. D. Elements of Ecology: For B.Sc., B.Sc. (Hons.) and M.Sc. Students. Rastogi Publications, 1975.