4KRUGER M,SAAYMAN M.Travel motivation of tourists to Kruger and Tsitsikamma National Parks:A comparative study[J].South African journal of wildlife research,2010,40(1):93-102.
5中国旅游年鉴编辑部.中国旅游年鉴[M].北京:中国旅游出版社,2000.
6TOSUN C.Host perceptions of impacts:A comparative tourism study[J].Annals of tourism research,2002,29(1):231-253.
