1.		Handbook on tourism product development / World Tourism Organization, European Travel Commission Col.autor: OMT Co col. autor: ETC COTA(S): 13935-Dg; 13935-A-Dg
2.		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 COTA(S): 15984
3.		The mind of the Chinese Traveller : Kairos future on behalf of European Travel Commission / ETC- European Travel Commission Data Publicação: 2012 Col.autor: ETC COTA(S): 15985-I; 15985-II
4.		Minutes of the meeting held in Sweden House, Stockholm / European Travel Commission Data Publicação: 1969 Col.autor: ETC COTA(S): 210; 210-a