41.		Impact of completion of the internal market on the tourism sector / Commission of the European Communities, DG XXIII Data Publicação: 1993 Col.autor: Comunidade Europeia. DG XXIII
42.		Tourism and regional development [[policopiado]] : final report / University of York [and] Leeds Polytechnic Data Publicação: 1989 Co col. autor sec.: Reino Unido. University of York Leeds Polytechnic
43.		The commodofication of mountaineering / Barbara R. Johnston, Ted Edwards Autor: Johnston, Barbara R. Coautor: ; Edwards, Ted
44.		Managing nature tourism in the Sub-Antarctic / Michael Hall, Mariska Wouters Autor: Hall, Michael C. Coautor: ; Wouters, Mariska
45.		Managing growth in mountain tourism communities / Alison Gill and Peter Williams Autor: Gill, Alison Coautor: ; Williams, Peter
46.		El turismo en el mediterraneo: la apuesta del desarrollo sostenible para un gran destino fragil / Francesco Frangialli Autor: Frangialli, Francesco
47.		Taking account of environment in tourism development / Commission of the European Communities, DG XXIII Data Publicação: 1993 Col.autor: Comunidade Europeia. DG XXIII
48.		Journal of Sustainable Tourism / Bill Bramwell and Bernard Lane Data Publicação: 1993- Resp- Sec.: Bramwell, Bill Lane, Bernard Co col. autor sec.: Chanel View Books
49.		Conférence euro-méditerranéenne sur le tourisme dans le developpement durable / org. Governement français et la Commission des Communautés européennes Data Publicação: 1993 Col.autor: Conférence euro-méditerranéenne sur le tourisme dans le developpement durable. 1993
50.		Les enjeux du tourisme mediterrannéen dans le cadre d'un developpement durable / Robert Lanquar Autor: Lanquar, Robert