Trivedi, P., & Singh, U. (1996). Environmental laws on wild life. Commonwealth pub.
Chicago Style aipamenaTrivedi, P.R, and U.K Singh. Environmental Laws on Wild Life. New Delhi: Commonwealth pub, 1996.
MLA aipamenaTrivedi, P.R, and U.K Singh. Environmental Laws on Wild Life. Commonwealth pub, 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.