APA ציטוט

Chhatwal G R. (1999). Encyclopaedia of environmental pollution and its control v.3: Noise pollution. Anmol.

Chicago Edition Citation

Chhatwal G R. Encyclopaedia of Environmental Pollution and Its Control V.3: Noise Pollution. New Delhi: Anmol, 1999.

ציטוט MLA

Chhatwal G R. Encyclopaedia of Environmental Pollution and Its Control V.3: Noise Pollution. Anmol, 1999.