Cita APA

Sharma, P. D. (1997). Environmental biology and toxicology: A textbook for university students.

Citación estilo Chicago

Sharma, P D. Environmental Biology and Toxicology: A Textbook for University Students. Narendra Publishing House, Delhi, 1997.

Cita MLA

Sharma, P D. Environmental Biology and Toxicology: A Textbook for University Students. 1997.

Warning: These citations may not always be 100% accurate.