Malik, S. (2008). Environmental law. Eastern Book Comapny.
Chicago Style aipamenaMalik, Sumeet. Environmental Law. Lucknow: Eastern Book Comapny, 2008.
MLA aipamenaMalik, Sumeet. Environmental Law. Eastern Book Comapny, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.