एपीए उद्धरण

Khanna, D. R., & Matta, G. (2011). Ecology of river Ganga. Biotech Books.

शिकागो स्टाइल उद्धरण

Khanna, Dev Raj, और Gagan Matta. Ecology of River Ganga. New Delhi: Biotech Books, 2011.

एमएलए उद्धरण

Khanna, Dev Raj, और Gagan Matta. Ecology of River Ganga. Biotech Books, 2011.