1.		The Sapnish Outbound Travel Market to Africa and the Middle East / World Tourism Organization Col.autor: OMT
2.		Policy and practice for global tourism / OMT Data Publicação: 2011 Col.autor: OMT
3.		Religious Tourism in Asia and the Pacific / OMT Data Publicação: 2011 Col.autor: OMT
4.		Communicating heritage - handbook for the tourism sector / World Tourism Organization Col.autor: OMT
5.		The Spanish outbound travel market to Africa and the Middle East / World Tourism Organization Col.autor: OMT
6.		Technology in Tourism / World Tourism Organization Data Publicação: 2011 Col.autor: OMT