1.		Handbook on tourism product development / World Tourism Organization, European Travel Commission Col.autor: OMT Co col. autor: ETC
2.		Tourism and intangible cultural heritage / World Tourism Organization Data Publicação: 2012 Col.autor: OMT
3.		Tourism in the green economy / UNWTO Data Publicação: 2012 Col.autor: OMT
4.		Global Report on Food Tourism / World Tourism Organization (UNWTO) Data Publicação: 2012 Col.autor: OMT