Le tourisme des années 2020: des clés pour agir / Conseil national du tourisme
The Spanish outbound travel market to Africa and the Middle East / World Tourism Organization
Handbook on tourism product development / World Tourism Organization, European Travel Commission
European tourism in 2012: trends & prospects / European Travel Commission
O turismo em Portugal / Instituto para a Qualidade na Formação, IP
Índice de competitividade viagens e turismo 2011 : Relatório - Portugal nos pilares da competitividade / Turismo de Portugal, I.P.
Travel & tourism 2011 / World Travel & Tourism Council
Understanding Chinese outbound Tourism : What the Chinese blogosphere is saying about Europe
Agências de Viagens e Turismo : guia para empresários e empreendedores / Turismo de Portugal, I.P.
European tourism in 2012: Trends & prospects (Q3/2012) / European Travel Commission