APA (7th ed.) Zitazioa

Hussen, A. M. (2000). Principles of Environmental Economics. Routledge.

Chicago Style (17th ed.) Zitazioa

Hussen, Ahmed M. Principles of Environmental Economics. London: Routledge, 2000.

MLA (9th ed.) Zitazioa

Hussen, Ahmed M. Principles of Environmental Economics. Routledge, 2000.