APA (7th ed.) Zitazioa

Field, B. C., & Field, M. K. (2017). Environmental Economics: An Introduction. Mc Graw Hill Education.

Chicago Style (17th ed.) Zitazioa

Field, Barry C., eta Martha K. Field. Environmental Economics: An Introduction. New York: Mc Graw Hill Education, 2017.

MLA (9th ed.) Zitazioa

Field, Barry C., eta Martha K. Field. Environmental Economics: An Introduction. Mc Graw Hill Education, 2017.