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Lua i Stíl Chicago (17ú heag.)Congress of the Association Internationale d'Experts Scientifiques du Tourisme Colgary. The Role and Impact of Mega-events and Attractions on Regional and National Tourism Development: Proceedings of the 37th Congress of the Association Internationale D'Experts Scientifiques Du Tourisme, Colgary, August 23-29, 1987. St. Gall: AIEST, 1987.
Lua MLA (9ú heag.)Congress of the Association Internationale d'Experts Scientifiques du Tourisme Colgary. The Role and Impact of Mega-events and Attractions on Regional and National Tourism Development: Proceedings of the 37th Congress of the Association Internationale D'Experts Scientifiques Du Tourisme, Colgary, August 23-29, 1987. AIEST, 1987.