APA aipamena

Chhatwal, G. R. A. (1997). Encyclopaedia of environmental waste pollution.

Chicago Style aipamena

Chhatwal, G R; Author. Encyclopaedia of Environmental Waste Pollution. New Delhi, Anmol publications Pvt.Lmd, 1997.

MLA aipamena

Chhatwal, G R; Author. Encyclopaedia of Environmental Waste Pollution. 1997.