Madeira, Açores, e Algarve na linha da frente do turismo náutico / Diana Catarino
6th European Tourism Forum : Algarve, 25-26 October 2007 / Europen Commission
Awards for improving the coastal environment: the example of the blue flag / coord. Aloisi de Larderel, Peter Shackleford, Jan Eriksen, Lene Andersen
Bandeira azul - proibido humanos / Tomás Montemor