1.		Guide for local authorities on developing sustainable tourism / World Tourism Organization Data Publicação: 1998 Col.autor: OMT
2.		Guide à l'intention des autorités locales: développement durable du tourisme / Organisation Mondiale du Tourisme Data Publicação: 1998 Col.autor: OMT
3.		The future of traditional destinations: is their experience relevant to emerging countries in Europe? / World Tourism Oerganization Data Publicação: 2005 Col.autor: OMT
4.		The future of city tourism in Europe, Coimbra - Portugal, 19-20 May 2005 / World Tourism Organization Data Publicação: 2005 Col.autor: OMT
5.		Policy and practice for global tourism / OMT Data Publicação: 2011 Col.autor: OMT
6.		Religious Tourism in Asia and the Pacific / OMT Data Publicação: 2011 Col.autor: OMT
7.		Communicating heritage - handbook for the tourism sector / World Tourism Organization Col.autor: OMT
8.		World Heritage Angkor and Beyond [Gottingen Studies in Cultural Property, Vol 2] : Circumstances and Implications of Unesco listings in Cambodia / Brigitta Hauser-Schaublin (ed.) Autor: Hauser-Schaublin, Brigitta Col.autor: ; OMT Universidade de Gottingen
9.		Contribution of Islamic Culture and its Impact on the Asian Tourism Market / World Tourism Organization (UNWTO) Col.autor: OMT