| 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. | The Chinese outbound travel market / OMT, ETCData Publicação: 2012 Col.autor: OMT COTA(S): 16160 | | |