International Air Transport Association. (1989). Cargo agency conference resolutions manual. International Air Transport Association.
Chicago-viite (17. p.)International Air Transport Association. Cargo Agency Conference Resolutions Manual. Montreal, Canada: International Air Transport Association, 1989.
MLA-viite (9. p.)International Air Transport Association. Cargo Agency Conference Resolutions Manual. International Air Transport Association, 1989.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.