Kumar, R. (1987). Environmental pollution and health hazards in India. Ashish.
Chicagoスタイル(17版)引用形式Kumar, R. Environmental Pollution and Health Hazards in India. New Delhi: Ashish, 1987.
MLA(9版)引用形式Kumar, R. Environmental Pollution and Health Hazards in India. Ashish, 1987.
警告: この引用は必ずしも正確ではありません.