एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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