APA استشهاد

Kaul, S., & Arvind Kumar. (2006). Waste water engineering. APH Publishing.

استشهاد بنمط شيكاغو

Kaul, S.N, و Arvind Kumar. Waste Water Engineering. New Delhi: APH Publishing, 2006.

MLA استشهاد

Kaul, S.N, و Arvind Kumar. Waste Water Engineering. APH Publishing, 2006.