एपीए उद्धरण

Sandeep Kumar. (2009). Biodiversity environment and sustainable management. A.K. Publications.

शिकागो स्टाइल उद्धरण

Sandeep Kumar. Biodiversity Environment and Sustainable Management. New Delhi: A.K. Publications, 2009.

एमएलए उद्धरण

Sandeep Kumar. Biodiversity Environment and Sustainable Management. A.K. Publications, 2009.