8Hughsp.Animals,values and tourism structural shifts in UK Dolphin tourism provision.Tourism Management,2001,22(4):321-329.
9Garey P.Yeager.Orangutan Behabilitation in Tanjung Putting National Park.Indonesia.Conservation Biology,1997,11(3):802-805.
10Anderw Norton,Bristol.Experiencing Nature:The Reproduction of Environmental Discourse Through Safari Tourism in East Africa.Geoforum,1996,27(3):355-373.
