Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.