Krishna, G., & Anilkumar, A. (2003). River pollution in india and its management. APH Publishing Corporation.
Chicago Stili AlıntıKrishna, Gopal, ve Agarwal Anilkumar. River Pollution in India and Its Management. New Delhi: APH Publishing Corporation, 2003.
MLA AlıntıKrishna, Gopal, ve Agarwal Anilkumar. River Pollution in India and Its Management. APH Publishing Corporation, 2003.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..