11.		Aviation and tourism policies : balancing the benefits / World Tourism Organization Data Publicação: 1994 Co col. autor sec.: OMT
12.		L'Europe pour gagner Data Publicação: 1989
13.		Travel and Tourism in the single european market / by Jim Fitzpatrick and Associates Autor: Fitzpatrick, Jim Data Publicação: 1989 Co col. autor sec.: EIU
14.		Casinos et tourisme Data Publicação: 1994
15.		Hotels of the future : strategies and action plan / Horwath & Horwath Data Publicação: 1988 - 1989 Col.autor: Horwath & Horwath
16.		The evolution in holiday travel facilities and in the flow of tourism inside and outside the European Community (ref. XXIII/Tourism/757/PC/hc) : final report [policopiado] / Tourconsult International, Tourconsult Italy; col. European Travel Data Center Data Publicação: 1991 Co col. autor: Tourconsult International Co col. autor sec.: Comunidade Europeia. Comissão
17.		Seminar on GATS implications for tourism : proceedings, Milan (Italy), 2-3 Dec. 1994 / World Tourism Organization Data Publicação: 1995 Col.autor: Seminar on GATS implications for tourism. 1994
18.		Plano Regional de Turismo do Algarve : anexo Data Publicação: 1993
19.		First Global Research and Travel Trade Conference on Security and risks in travel and tourism Data Publicação: 1995 Col.autor: Conference on Security and Risks in Travel and Tourism. 1995
20.		Travel & tourism : progress and priorities 1994 / World Travel & Tourism Council Data Publicação: 1994 Col.autor: World Travel & Tourism Council