1.		Handbook on tourism product development / World Tourism Organization, European Travel Commission Col.autor: OMT Co col. autor: ETC
2.		The mind of the Chinese Traveller : Kairos future on behalf of European Travel Commission / ETC- European Travel Commission Data Publicação: 2012 Col.autor: ETC
3.		The Japanese outbound travel market : with special insight into the image of Europe as a destination / ETC- European Travel Commission Data Publicação: 201- Col.autor: ETC
4.		Minutes of the meeting held in Sweden House, Stockholm / European Travel Commission Data Publicação: 1969 Col.autor: ETC