Krishna Gopal. (2003). River pollution in India and its manangement. APH.
Style de citation ChicagoKrishna Gopal. River Pollution in India and Its Manangement. New Delhi: APH, 2003.
Style de citation MLAKrishna Gopal. River Pollution in India and Its Manangement. APH, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.