Παραπομπή APA

Ahluwalia, V. K., & Sunita, M. (2009). Environmental science. Ane Books.

Παραπομπή Chicago Style

Ahluwalia, V K., και Malhotra Sunita. Environmental Science. New Delhi: Ane Books, 2009.

Παραπομπή MLA

Ahluwalia, V K., και Malhotra Sunita. Environmental Science. Ane Books, 2009.