Tohutoro APA (7th ed.)

De, A. K., & De, A. K. (2009). Environmental engineering. New Age International (P) Ltd., Publishers.

Tohutoru Kātū Chicago (17th ed.)

De, Anil K., me Arnab Kumar De. Environmental Engineering. New Delhi: New Age International (P) Ltd., Publishers, 2009.

Tohutoro MLA (9th ed.)

De, Anil K., me Arnab Kumar De. Environmental Engineering. New Age International (P) Ltd., Publishers, 2009.