APA aipamena

Erach ,Barucha. (2005). Textbook of environmental studies (1.). Universities Press.

Chicago Style aipamena

Erach ,Barucha. Textbook of Environmental Studies. 1. Hyderabad: Universities Press, 2005.

MLA aipamena

Erach ,Barucha. Textbook of Environmental Studies. 1. Universities Press, 2005.