एपीए उद्धरण

Sengar, D. S. (2007). Environmental law. Prentice Hall of India.

शिकागो स्टाइल उद्धरण

Sengar, Dharmendra S. Environmental Law. N.Delhi: Prentice Hall of India, 2007.

एमएलए उद्धरण

Sengar, Dharmendra S. Environmental Law. Prentice Hall of India, 2007.