Trivedy, R. (1988). Ecology and pollution of Indian rivers. Ashish.
Chicagoスタイル(17版)引用形式Trivedy, R. Ecology and Pollution of Indian Rivers. New Delhi: Ashish, 1988.
MLA(9版)引用形式Trivedy, R. Ecology and Pollution of Indian Rivers. Ashish, 1988.
警告: この引用は必ずしも正確ではありません.