1.		Travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1993 Col.autor: World Travel & Tourism Council COTA(S): 4954.3.1; 4954.3.1-A; 4954.3.2; 4954.3.3
2.		Travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1995 Col.autor: World Travel & Tourism Council COTA(S): 4954.5
3.		European Union : travel & tourism / World Travel & Tourism Council Data Publicação: 1997 Col.autor: World Travel & Tourism Council COTA(S): 6508
4.		Australia travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council COTA(S): 6460
5.		United States travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1995 Col.autor: World Travel & Tourism Council COTA(S): 6459
6.		Mexico travel & tourism : millennium vision / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council COTA(S): 6458
7.		United Kingdom travel & tourism : millennium vision / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council COTA(S): 6457
8.		Agenda 21 for the travel & tourism industry : towards environmentally sustainable development / World Travel & Tourism Council; World Tourism Organization Data Publicação: 1997 Co col. autor sec.: World Travel & Tourism Council OMT Earth Council COTA(S): 9149-I; 9149-I.a
9.		Measuring the economic contribution of travel & tourism / World Travel & Tourism Council Data Publicação: 1997 Col.autor: World Travel & Tourism Council COTA(S): 6430
10.		Air transport and freer world trade / World Travel & Tourism Council Data Publicação: 1997 Col.autor: World Travel & Tourism Council COTA(S): 6920