APA استشهاد

Agarwal, S., & Dubey, P. (2002). Environmental controversies (1st. ed.). APH.

استشهاد بنمط شيكاغو

Agarwal, S.K, و P.S Dubey. Environmental Controversies. 1st. ed. New Delhi: APH, 2002.

MLA استشهاد

Agarwal, S.K, و P.S Dubey. Environmental Controversies. 1st. ed. APH, 2002.