1.		Demographic Change and tourism / World Tourism Organization; European Travel Commission Data Publicação: 2010 Col.autor: OMT ETC
2.		Handbook on tourism product development / World Tourism Organization, European Travel Commission Col.autor: OMT Co col. autor: ETC
3.		Understanding Russian Outbound Tourism / OMT, ETC Data Publicação: 2015 Col.autor: OMT ETC
4.		Annual report on Asia tourism trends / OMT, ETC Data Publicação: 2015 Col.autor: OMT ETC