International Air Transport Association. (2000). BSP Manual for agents effective 1 December 2000. The Association.
Chicago-referens (17:e uppl.)International Air Transport Association. BSP Manual for Agents Effective 1 December 2000. Montreal: The Association, 2000.
MLA-referens (9:e uppl.)International Air Transport Association. BSP Manual for Agents Effective 1 December 2000. The Association, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.