| 1. | World tourism conference - tourism success stories and shooting stars : Kuala, Lumpur, Malaysia, 4-6 June 2007 / World Tourism OrganizationData Publicação: 2007 Col.autor: OMT |  | |
| 2. | Communications and incentives: The importance of fast and sincere reporting / World Tourism OrganizationData Publicação: 2008 Col.autor: OMT | | |