एपीए उद्धरण

Tripathi, A., & Pandey, S. (1990). Water Pollution. Ashish Pub. House.

शिकागो स्टाइल उद्धरण

Tripathi, A.K, और S.N Pandey. Water Pollution. New Delhi: Ashish Pub. House, 1990.

एमएलए उद्धरण

Tripathi, A.K, और S.N Pandey. Water Pollution. Ashish Pub. House, 1990.