Dyfyniad APA

International Air Transport Association. (1989). Cargo agency conference resolutions manual. International Air Transport Association.

Dyfyniad Arddull Chicago

International Air Transport Association. Cargo Agency Conference Resolutions Manual. Montreal, Canada: International Air Transport Association, 1989.

Dyfyniad MLA

International Air Transport Association. Cargo Agency Conference Resolutions Manual. International Air Transport Association, 1989.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.