Dyfyniad APA

Kumar, R. (1987). Environmental pollution and health hazards in India. Ashish.

Dyfyniad Arddull Chicago

Kumar, R. Environmental Pollution and Health Hazards in India. New Delhi: Ashish, 1987.

Dyfyniad MLA

Kumar, R. Environmental Pollution and Health Hazards in India. Ashish, 1987.

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