APA
Upadhyay S. &. U. V., . (2002). Handbook on environmental law. Butterworths: New Delhi.
Chicago
Upadhyay Sanjay & Upadhyay Videh, . 2002. Handbook on environmental law. Butterworths: New Delhi.
Harvard
Upadhyay S. &. U. V., . (2002). Handbook on environmental law. Butterworths: New Delhi.
MLA
Upadhyay Sanjay & Upadhyay Videh, . Handbook on environmental law. Butterworths: New Delhi. 2002.