1.		Tourism recovery commmitee for the mediterranean region : a joint initiative of Tunisia and Spain with the support of the WTO Business Council / World Tourism Organization Data Publicação: 2002 Col.autor: OMT
2.		Le marché canadien de l'écotourisme / Organisation Mondiale du Tourisme. Section des Études de Marché et Techniques de promotion, Section du Développement Durable du Tourisme Data Publicação: 2002 Col.autor: OMT