(2004). Examples of the successful conservation and sustainable use of dryland biodiversity. United Nations Development Programme.
Chicago-referens (17:e uppl.)Examples of the Successful Conservation and Sustainable Use of Dryland Biodiversity. New York: United Nations Development Programme, 2004.
MLA-referens (9:e uppl.)Examples of the Successful Conservation and Sustainable Use of Dryland Biodiversity. United Nations Development Programme, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.