4[1]Pearce D. Tourism Today: A Geographical Analysis (second edition) [M]. London: Longman Scientific & Technical,1995.
5[2]Towner J. An Historical Geography of Recreation and Tourism in The Western World [M]. Chichester: John & Sons Ltd, 1996.
6[3]Lockhart D G, Drakakis-Smith D. Island Tourism: Trends and Prospects[M]. London: Pinter, 1997.
7Nieuwkamp,L.B.W.Zone Modelling in Ecotourism[A].生态旅游规划与发展国际研讨会论文集[C].1996
8Stephen Wearing, John Neil. Ecotourism: Impacts, Potentials and Possibilities[ M] . Butterworth Heinemann, Oxford, 1999.
9Havva J Meric, Judith Hunt. Ecotourits' Motivational and Demographic Characterics: A Case of North Carolina Travelers [ J ]. Journal of Travel Research, 1998, (Spring): 57 - 67.
10Martha Honey. Ecotourism and Sustainable Development. Who Owns Paradise? [M]. Washington D C: Island Press, 1999.
