Relatório anual : Relatório do governo societário e de sustentabilidade / TAP
Executive Report : The magazine for the tourism, hospitality and leisure industry / Deloitte
Macau Travel and Tourism statistics 2008 / Macau Government Tourist Office
Are U. S. airlines really in crisis? / A. Assaf
The tourism-economy causality in the United States: a sub-industry level examination / Chun-Hung (Hugo) Tang, SooCheong (Shawn) Jang
Modeling roles of subjective norms and eTrust in customers' acceptance of airline B2C eCommerce websites / Hong-bumm Kim, Taegoo Terry Kim, Sung Won Shin
How to compete for a place in the world with a hand tied behind your back: the case of air transport services in Girona / Germà Bel
Azorean Spirit / Dir. Eduardo Jorge S. Brum
Anuário de Tráfego ANA / ANA-Aeroportos de Portugal