La qualité
Tourisme 1987 : statistiques annuelles / European Communities, Commission, Eurostat
Price competitiveness of holiday destinations : costs for european travellers / by Anthony Edwards
Global tourism : the next decade / edited by William F. Theobald
International tourism forecasts to 1999 / by Anthony Edwards
Fast food in Europe : quick service catering in West Germany, United Kingdom, France, Italy, Spain, Netherlands and Belgium
International tourism forecasts to 2005 / by Anthony Edwards
Dicionário da qualidade no turismo / Associação Portuguesa para a Qualidade; Texto [de] António Portela
Contact : customer service in the hospitality and tourism industry / Donald M. Davidoff
World Tourism Directory '95/96 / Burkhard Herbote