1.		Australia - the Asia and the Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT
2.		Hong Kong - the Asia and Pacific intra-regional outbound series / World Tourism Organization Data Publicação: 2006 Col.autor: OMT
3.		Policies, strategies and tools for the sustainable development of tourism / World Tourism Organization Data Publicação: 2006 Col.autor: OMT