Kolstad, C. D. (2000). Environmental economics. O.U.Pr.
Cita Chicago (17th ed.)Kolstad, Charles D. Environmental Economics. New York: O.U.Pr, 2000.
Cita MLA (9th ed.)Kolstad, Charles D. Environmental Economics. O.U.Pr, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.