Krishna, G., & Anilkumar, A. (2003). River pollution in india and its management. APH Publishing Corporation.
Dyfyniad Arddull ChicagoKrishna, Gopal, and Agarwal Anilkumar. River Pollution in India and Its Management. New Delhi: APH Publishing Corporation, 2003.
Dyfyniad MLAKrishna, Gopal, and Agarwal Anilkumar. River Pollution in India and Its Management. APH Publishing Corporation, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.