Manual sobre Turismo Accesible para Todos: Principios, herramientas y buenas prácticas : Módulo I: Turismo Accesible – definición y contexto / OMT
"Turismo é essencial para a economia de Portugal" / Miguel Quintas
Handbook on tourism product development / World Tourism Organization, European Travel Commission
Managing metropolitan tourism: An Asian Perspective / World Tourism Organization
International conference on metropolitan tourism Shanghai, China; 17-18 November 2006 / World Tourism Organization
China - the Asia and Pacific intra-regional outbound series / World Tourism Organization
Tourism congestion management at natural and cultural sites / World Tourism Organization
L' activité des croisières dans le monde / World Tourism Organization
Le marché français de l'écotourisme / Organisation Mondiale du Tourisme
Le marché de l'écotourisme des États-Unis / Organisation Mondiale du Tourisme