Trivedy, R. (1988). Ecology and pollution of Indian rivers. Ashish.
Lua i Stíl Chicago (17ú heag.)Trivedy, R. Ecology and Pollution of Indian Rivers. New Delhi: Ashish, 1988.
Lua MLA (9ú heag.)Trivedy, R. Ecology and Pollution of Indian Rivers. Ashish, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.