( ) Ecotourism. David Weaver. 2nd Ed. 2008 Ed. John Wiley& Sons Australia ISBN 978 0 470 813041 Ecotorism David Fenell 3rd Ed. 2008 Routledge Ed. ISBN 978-0-415-42930-6 Sustainable Tourism in Protected Areas Paul Eagles, Stephen McCool and Cristopher Haynes Ed. IUCN ISBN 2 8317 0648 3 The Challenge of Tourism Carrying Capacity Assessment Ed Harry Coccossis & Alexandra Mexa Ed. Ashgate ISBN 0 7546 3569 4 Case Studies in Ecotourism Ralf Buckley CABI Publishing ISBN 0 85199 665 5 Ecotourism & certification Ed Martha Honey Island Press ISBN 1 55963 951 2
( ) Ecotourism. David Weaver. 2nd Ed. 2008 Ed. John Wiley& Sons Australia ISBN 978 0 470 813041 Ecotourism David Fenell. Routledge