REFERENCES
- Burton , R. 1995 . Travel Geography London : Longman .
- Holden , A. 2000 . Environment and Tourism London and NY : Routledge .
- Liu , J. C. , Sheldon , P. J. and Var , T. 1987 . Resident Perception of the Environmental Impacts of Tourism . Annals of Tourism Research , 14 ( 1 ) : 17 – 37 .
- Newsome , D. and Moore , S. A. 2002 . Natural Area Tourism. Aspects of Tourism 4 Clevedon : Channel View Publications .
- Puczkó , L. and Rátz , T. 2002 . Impacts of Tourism: An Introduction Finland : Häme Polytechnic .
- Butter , C. 2003 . “ Urban Ecology: Projects in Europe—visions for Oslo?; Oslo kommune Havn-evesenet ” . http://www.arkitektur.no/files/file46226_urban_ecology.pdf