Gaya APA

Kubasek, N, K., Silverman, G, S. (2000). Environmental Law, 3rd.ed. . New Jersey: Pretince - Hall International Inc.

Gaya MLA

Kubasek, Nancy, K.., Silverman, Gary, S.. "Environmental Law, 3rd.ed.". New Jersey: Pretince - Hall International Inc, 2000. Text.