APA
Chhatwal G., Mehra M., Satake M., Katyal. T & Nagahiro T. (1989). environmental water pollution and its control. New Delhi: Anmol publications.
Chicago
Chhatwal G.R, Mehra M.C, Satake M, Katyal. T and Nagahiro T. 1989. environmental water pollution and its control. New Delhi: Anmol publications.
Harvard
Chhatwal G., Mehra M., Satake M., Katyal. T and Nagahiro T. (1989). environmental water pollution and its control. New Delhi: Anmol publications.
MLA
Chhatwal G.R, Mehra M.C, Satake M, Katyal. T and Nagahiro T. environmental water pollution and its control. New Delhi: Anmol publications. 1989.