Cita APA (7a ed.)

Kolstad, C. D. (2000). Environmental economics. O.U.Pr..

Cita Chicago Style (17a ed.)

Kolstad, Charles D. Environmental Economics. New York: O.U.Pr., 2000.

Cita MLA (9a ed.)

Kolstad, Charles D. Environmental Economics. O.U.Pr., 2000.