APA aipamena

Imtiyaz Hussain Zaheed & Rafiuddin Naser. (2013). Textbook of environmental biology. Discovery Publishing House Pvt. Ltd..

Chicago Style aipamena

Imtiyaz Hussain Zaheed and Rafiuddin Naser. Textbook of Environmental Biology. New Delhi: Discovery Publishing House Pvt. Ltd., 2013.

MLA aipamena

Imtiyaz Hussain Zaheed and Rafiuddin Naser. Textbook of Environmental Biology. Discovery Publishing House Pvt. Ltd., 2013.