1. | OECD in Figures 2008 : 20th anniversary edition / OECD ObserverData Publicação: 2008 Col.autor: OECD COTA(S): 12663.01; 12663.02 | ||
2. | The Commonwealth Foundation and Small Island Developing States 2001-2004 / Commonwealth FoundationAutor: BROWN, Nicole; FIRMIN, Andrew Data Publicação: 2004 Col.autor: Londres. Commonwealth Foundation COTA(S): 12698 | ||
3. | Respirar PortugalData Publicação: 1993 COTA(S): 5048.1 | ||
4. | Concept for a national report on tourism, environment and nature protection in Germany / Andrea MõllerAutor: Mõller, Andrea |