एपीए उद्धरण

Bhatia S C. (2014). Environmental biology. Agrotech Pubs.

शिकागो स्टाइल उद्धरण

Bhatia S C. Environmental Biology. Jaipur: Agrotech Pubs, 2014.

एमएलए उद्धरण

Bhatia S C. Environmental Biology. Agrotech Pubs, 2014.