1.		Changes in leisure time : the impact of tourism / World Tourism Organization Data Publicação: 1999 Col.autor: OMT
2.		Enhancing the economic benefits of tourism for local communities and poverty alleviation / World Tourism Organization Data Publicação: 2002 Col.autor: OMT
3.		Le nouvel état touristique - dix-huit leçons sur la société du loisir et du voyage / Organisation Mondiale du Tourisme Data Publicação: 2009 Col.autor: OMT
4.		Tourism in the green economy / UNWTO Data Publicação: 2012 Col.autor: OMT
5.		Tourism as an inducer of development, social inclusion and regional integration / OMT Data Publicação: 2013 Col.autor: OMT