APA استشهاد

Leelakrishnan, P. (2006). Environmental law case book (2nd ed.). Lexis Nexis Butterworths.

استشهاد بنمط شيكاغو

Leelakrishnan, P. Environmental Law Case Book. 2nd ed. New Delhi: Lexis Nexis Butterworths, 2006.

MLA استشهاد

Leelakrishnan, P. Environmental Law Case Book. 2nd ed. Lexis Nexis Butterworths, 2006.