APA aipamena

Kolstad, C. D. (2000). Environmental economics. Oxford University Press.

Chicago Style aipamena

Kolstad, Charles D. Environmental Economics. New York: Oxford University Press, 2000.

MLA aipamena

Kolstad, Charles D. Environmental Economics. Oxford University Press, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.