Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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