Παραπομπή APA

Sengar, D. S. (2007). Enviornmental Law. Prentice-Hall of India.

Παραπομπή Chicago Style

Sengar, Dharmendra S. Enviornmental Law. New Delhi: Prentice-Hall of India, 2007.

Παραπομπή MLA

Sengar, Dharmendra S. Enviornmental Law. Prentice-Hall of India, 2007.