O Maciço da Gralheira : Da Freita ao S. Macário- Um guia com algumas crónicas / Mário de Araújo Ribeiro
Lessons from the european commission's demonstration programme on integrated coastal zone management (ICZM) / European Commission
Manual do consumidor / Direcção-Geral do Turismo
Progress in the implementation of the Programme of Action for the Sustainable Development of Small Island Developing States : climate change and sea level rise / report of the Secretary-General; Commission on Sustainable Development
Náutica de recreo y turismo en el Mediterráneo: la Comunidad Valenciana / Vicent Esteban Chapapría
The potential effects of climate change on the Scottish tourist industry / S. J. Harrison, S. J. Winterbottom, C. Sheppard