Dyfyniad APA

Trivedy, R. (1988). Ecology and pollution of Indian rivers. Ashish.

Dyfyniad Arddull Chicago

Trivedy, R. Ecology and Pollution of Indian Rivers. New Delhi: Ashish, 1988.

Dyfyniad MLA

Trivedy, R. Ecology and Pollution of Indian Rivers. Ashish, 1988.

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