Dyfyniad APA

R Kumar. (1987). Environmental pollution and Health Hazards in India. Ashish publishing house.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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