APA (7th ed.) Zitazioa

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

Chicago Style (17th ed.) Zitazioa

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

MLA (9th ed.) Zitazioa

Journal of Air Transportation World Wide. University of Nebraska at Omaha.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.