1. | Handbook on tourism product development / World Tourism Organization, European Travel CommissionCol.autor: OMT Co col. autor: ETC COTA(S): 13935-Dg; 13935-A-Dg | ||
2. | Understanding Russian Outbound Tourism / OMT, ETCData Publicação: 2015 Col.autor: OMT COTA(S): 16238; 16238-Dg | ||
3. | Annual report on Asia tourism trends / OMT, ETCData Publicação: 2015 Col.autor: OMT COTA(S): 19921 | ||
4. | ETC Study on CanadaData Publicação: 2001 Col.autor: ETC COTA(S): 17862 |