Chhatwal G R. (1999). Encyclopaedia of environmental pollution and its control v.3: Noise pollution. Anmol.
シカゴスタイル引用形Chhatwal G R. Encyclopaedia of Environmental Pollution and Its Control V.3: Noise Pollution. New Delhi: Anmol, 1999.
MLA引用形式Chhatwal G R. Encyclopaedia of Environmental Pollution and Its Control V.3: Noise Pollution. Anmol, 1999.
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