1.		WTO in Asia and the Pacific / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7086; 7086.a
2.		Handbook on natural disaster reduction in tourist areas / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 6939; 6939-a
3.		Characteristics of seven tourism generating countries / World Tourism Organization Data Publicação: 1998 Col.autor: OMT COTA(S): 7558
4.		Introducción al turismo / OMT-Organización Mundial del Turismo Col.autor: OMT COTA(S): 12372