Kolstad, C. D. (2000). Environmental economics. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Kolstad, Charles D. Environmental Economics. New York: Oxford University Press, 2000.
Lua MLA (8ú heag.)Kolstad, Charles D. Environmental Economics. Oxford University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.