Implications of the UN/WTO : tourism definitions for the U.S. tourism statistical system / Douglas C. Frechtling
Formation de formateurs / Organisation Mondiale du Tourisme
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
Global airlines : competition in a transnational industry / Pat Hanlon
Marketing tourism, hospitality and leisure in Europe / Susan Horner and John Swarbrooke
Travel law and litigation / Alan Saggerson
Foundations of tourism / Norma Polovitz Nickerson
Information et formalités en matière de santé dans les voyages internationaux / Organisation Mondiale du Tourisme
Inquérito sobre hábitos de viajar : relatório final / Metris [para] APAVT