APA استشهاد

Leelakrishnan, P. (2013). Environmental Law Case Book (2nd.). Lexis Nexis.

استشهاد بنمط شيكاغو

Leelakrishnan, P. Environmental Law Case Book. 2nd. Gurgaon: Lexis Nexis, 2013.

MLA استشهاد

Leelakrishnan, P. Environmental Law Case Book. 2nd. Lexis Nexis, 2013.