APA (7th ed.) Zitazioa

(2002). Air, EPA and state progress in issuing Title V permits.

Chicago Style (17th ed.) Zitazioa

Air, EPA and State Progress in Issuing Title V Permits. 2002.

MLA (9th ed.) Zitazioa

Air, EPA and State Progress in Issuing Title V Permits. 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.