Tripathi, A., & Pandey, S. (1990). Water Pollution. Ashish Pub. House.
Chicago Edition CitationTripathi, A.K, i S.N Pandey. Water Pollution. New Delhi: Ashish Pub. House, 1990.
Cita MLATripathi, A.K, i S.N Pandey. Water Pollution. Ashish Pub. House, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.