8Ivan Pyle T. The international air transport association and tourism[J] Annals ofTourism Research, 1985, 12 (4): 648-650.
9Collison F M, Boberg K B. Marketing of airline services in a deregulated environment[J]. Tourism Management, 1987, 8 ( 3 ): 195-204.
10Bieger T, Wittmer A. Air transport and tourism-Perspectives and challenges for destinations, airlines and governments[J]. Journal of Air Transport Management, 2006, 12 (1): 40-46.