APA Zitierstil

Pandey, S. N., & Tripathy, A. K. (1990). Water pollution.

Chicago Zitierstil

Pandey, S N., und A K. Tripathy. Water Pollution. New Delhi, Ashish Publishing, 1990.

MLA Zitierstil

Pandey, S N., und A K. Tripathy. Water Pollution. 1990.