1.		Seminaire sur la responsabilite de l'état concernant le developpement du tourisme, Budapest (Hongrie), 15 fév. 1993 / org. Organisation Mondiale du Tourisme Data Publicação: 1993 Col.autor: Seminaire sur la responsabilité de l état concernant le developpement du tourisme. 1993 Co col. autor sec.: OMT
2.		Global tourism forecasts to the year 2000 and beyond / Published by the World Tourism Organization Data Publicação: 1994- Col.autor: OMT
3.		Aviation and tourism policies : balancing the benefits / World Tourism Organization Data Publicação: 1994 Co col. autor sec.: OMT
4.		Round table on tourism development and the role of the state Col.autor: OMT
5.		Round table on tourism development and the role of the state Col.autor: OMT
6.		Budgets & marketing plans of national tourism administrations : a World Tourism Organization report / World Tourism Organization Data Publicação: 1995 Col.autor: OMT
7.		Budgets of national tourism administrations : 1994 / World Tourism Organization Data Publicação: 1994 Col.autor: OMT
8.		Marketing plans & strategies of national tourism administrations / World Tourism Organization Data Publicação: 1994 Col.autor: OMT
9.		Tourist safety and security : practical measures for destinations / World Tourism Organization Data Publicação: 1996 Col.autor: OMT
10.		Towards new forms of public-private sector partnership : the changing role, structure and activities of National Tourism Administrations / World Tourism Organization Data Publicação: 1997 Col.autor: OMT