APA-viite (7. p.)

Official Airline Guides, inc. (1991). OAG desktop flight guide (Worldwide ed.). Official Airline Guides.

Chicago-viite (17. p.)

Official Airline Guides, inc. OAG Desktop Flight Guide. Worldwide ed. Oak Brook, Ill.: Official Airline Guides, 1991.

MLA-viite (8. p.)

Official Airline Guides, inc. OAG Desktop Flight Guide. Worldwide ed. Official Airline Guides, 1991.