Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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