Turismo : competitividade sustentável / Mário Baptista
Formation de formateurs / Organisation Mondiale du Tourisme
Foreign and domestic escorted tour expectations of american travelers / Charles R. Duke, Margaret A. Persia
Travel motivation variations of overseas german visitors / Ute Jamrozy, Muzaffer Uysal
Tourism and the European Union: a practical guide / European Commision, DGXXIII
Agenda 21 for the travel & tourism industry : towards environmentally sustainable development / World Travel & Tourism Council; World Tourism Organization
Europe's senior travel market / John Seekings
Travel health - a senior overview / Annette Viant
International tourism forecasts to 2010 / Anthony Edwards and Anne Graham
International tourism: a global perspective / ed. lit. Chuck Y. Gee, Eduardo Fayos-Solá