APA-referens (7:e uppl.)

Nimkar, S. (2005). Environmental studies F.Y.B.Com (2nd rev.). Reliable.

Chicago-referens (17:e uppl.)

Nimkar, Suresh. Environmental Studies F.Y.B.Com. 2nd rev. Mumbai: Reliable, 2005.

MLA-referens (9:e uppl.)

Nimkar, Suresh. Environmental Studies F.Y.B.Com. 2nd rev. Reliable, 2005.