APA استشهاد

Uberoi, N. (2003). Environmental management (2nd ed.). Excel books.

استشهاد بنمط شيكاغو

Uberoi, N.K. Environmental Management. 2nd ed. New Delhi: Excel books, 2003.

MLA استشهاد

Uberoi, N.K. Environmental Management. 2nd ed. Excel books, 2003.