Riferimenti:
Risorse addizionali:
- UNESCO World Heritage Sustainable Tourism Toolkit http://whc.unesco.org/sustainabletourismtoolkit/how-use-guide
- European Commissions innitiatives on sustainable tourism https://ec.europa.eu/growth/sectors/tourism/offer/sustainable_en
- United Nations Environment Programme ; World Trade Organization (WTO) (2005) – MAKING TOURISM MORE SUSTAINABLE: A GUIDE FOR POLICY MAKERS https://wedocs.unep.org/handle/20.500.11822/8741
- https://www.thetravelfoundation.org.uk/resources-categories/what-is-sustainable-tourism/
- https://www.unwto.org/sustainable-development
- https://sustainabletourism.net/
