1.		Travel & tourism in the world economy : the WTTC report / World Travel & Tourism Council Data Publicação: 1991 Col.autor: World Travel & Tourism Council
2.		Travel & tourism : the WTTC report / World Travel & Tourism Council Data Publicação: 1992 Col.autor: World Travel & Tourism Council
3.		Travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1993 Col.autor: World Travel & Tourism Council
4.		Travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1995 Col.autor: World Travel & Tourism Council
5.		Australia travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council
6.		United States travel & tourism : a new economic perspective / World Travel & Tourism Council Data Publicação: 1995 Col.autor: World Travel & Tourism Council
7.		Mexico travel & tourism : millennium vision / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council
8.		United Kingdom travel & tourism : millennium vision / World Travel & Tourism Council Data Publicação: 1996 Col.autor: World Travel & Tourism Council
9.		European Union : travel & tourism forging ahead / World Travel & Tourism Council Data Publicação: 2004 Col.autor: World Travel & Tourism Council
10.		Portugal: travel & tourism sowing the seeds of growth / World Travel & Tourism Council Data Publicação: 2005 Col.autor: World Travel & Tourism Council