1.		International forum on rural tourism: final report - Guiyang, Guizhou Province, China, 4 - 6 September 2006 / World Tourism Organization Data Publicação: 2008 Col.autor: OMT
2.		Tourism and Handicrafts / World Tourism Organization Col.autor: OMT
3.		Handbook on tourism forecasting methodologies / World Tourism Organization Col.autor: OMT