Estudo de implementação da conta satélite do turismo em Portugal [[Policopiado]] / Instituto Nacional de Estatística
Portugal: travel & tourism: a world of opportunity: the 2003 travel & tourism economic research / WTTC
Coopération et partenariats en tourisme: une perspective mondiale / Organisation Mondiale du Tourisme
The Algarve : The impact of travel & tourism on jobs and the economy
Tourism satellite account (TSA) : implementation project / World Tourism Organization
Algarve : o impacto das viagens e turismo no emprego e na economia / World Travel & Tourism Council