1Aliza Fleischer, Abraham Pizam. Tourism constraints among Israeli seniors [ J ]. Annals of Tourism Research, 2002,29 ( 1 ) : 106 - 123.
2Horneman L, Carter R, Wei S, et al. Profiling the Senior Traveler:an Australian Perspective [ J ]. Journal of Travel Research ,2002,41:23 - 37.
3Anderson B, Langmeyer L. The under - 50 and over - 50 traveler: a profile of similarities and differences [ J ]. Journal of Travel Research, 1982,20 (4) : 20 - 24.
4Gerald Romsa, Morris Blenman. Vacation patterns of the elderly German. Annals of Tourism Research, 1989, 16(2) :178 -188.
5Javalgi R G, Thomas E G, Rao S G. US pleasure travelers' perceptions of selected European destinations [ J ]. European Journal of marketing, 1992,26 (7) :45 - 64.
