APA استشهاد

Uberoi, N. (2011). Environmental management/2e (2nd ed.). Exel Books.

استشهاد بنمط شيكاغو

Uberoi, N.K. Environmental Management/2e. 2nd ed. New Delhi: Exel Books, 2011.

MLA استشهاد

Uberoi, N.K. Environmental Management/2e. 2nd ed. Exel Books, 2011.