APA aipamena

Field, B. C. (2006). Evironmantal economics. Boston: Mc Graw- Hill.

Chicago Style aipamena

Field, Barry C. Evironmantal Economics. Boston: Mc Graw- Hill, 2006.

MLA aipamena

Field, Barry C. Evironmantal Economics. Boston: Mc Graw- Hill, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.