APA Alıntı

Krishna Gopal. (2003). River pollution in India and its manangement. APH.

Chicago Stili Alıntı

Krishna Gopal. River Pollution in India and Its Manangement. New Delhi: APH, 2003.

MLA Alıntı

Krishna Gopal. River Pollution in India and Its Manangement. APH, 2003.