एपीए उद्धरण

Paramjeet Singh, D. (2011). Environmental journalism. Anmol Publication.

शिकागो स्टाइल उद्धरण

Paramjeet Singh, Dhawal. Environmental Journalism. New Delhi: Anmol Publication, 2011.

एमएलए उद्धरण

Paramjeet Singh, Dhawal. Environmental Journalism. Anmol Publication, 2011.