APA استشهاد

Pandey, G. N. . .., & Carney, G. C. . .. (1991). Environmental engineering. Tata Mc-Graw Hill Publishing Company.

استشهاد بنمط شيكاغو

Pandey, G N ., و G C. Carney. Environmental Engineering. New Delhi: Tata Mc-Graw Hill Publishing Company, 1991.

MLA استشهاد

Pandey, G N ., و G C. Carney. Environmental Engineering. Tata Mc-Graw Hill Publishing Company, 1991.