Cita APA (7th ed.)

Kubasek, N., & Silverman, G. (2002). Environmental law (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Kubasek, Nancy, i Gary Silverman. Environmental Law. 4th ed. Upper Saddle River, N.J: Prentice Hall, 2002.

Cita MLA (9th ed.)

Kubasek, Nancy, i Gary Silverman. Environmental Law. 4th ed. Prentice Hall, 2002.