Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.