1.		The economic impact of travel and tourism development in the APEC region / World Travel & Tourism Council Data Publicação: 1998 Col.autor: World Travel & Tourism Council COTA(S): 7004
2.		South Africa : the impact of travel and tourism on jobs and the economy / World Travel & Tourism Council Data Publicação: 2002 Col.autor: World Travel & Tourism Council COTA(S): 9316.01; 9316.01.a
3.		Algarve : o impacto das viagens e turismo no emprego e na economia / World Travel & Tourism Council Data Publicação: 2003 Col.autor: World Travel & Tourism Council COTA(S): 9316.02-A
4.		European Union : travel & tourism forging ahead / World Travel & Tourism Council Data Publicação: 2004 Col.autor: World Travel & Tourism Council COTA(S): 9878
5.		Portugal: travel & tourism sowing the seeds of growth / World Travel & Tourism Council Data Publicação: 2005 Col.autor: World Travel & Tourism Council COTA(S): 10394; 10394-a
6.		Lisboa : o impacte das viagens & turismo na economia e no emprego / World Travel and Tourism Coucil Data Publicação: 2007 Col.autor: World Travel & Tourism Council COTA(S): 11925; 11925.a; 11925-A; 11925.b
7.		Progress and priorities 2002/2003 / World Travel and Tourism Council Data Publicação: 2002 Col.autor: World Travel & Tourism Council COTA(S): 4954.04.01; 4954.04.02
8.		Travel & tourism economic impact: Portugal / World Travel & Tourism Council Data Publicação: 2010 Col.autor: World Travel & Tourism Council COTA(S): 12575
9.		Travel & tourism: economic impact 2012 - Portugal / World Travel & Tourism Council Data Publicação: 2012 Col.autor: World Travel & Tourism Council COTA(S): 14080-Dg