United Nations Environment Programme. (2009). The natural fix?: The role of ecosystems in climate mitigation ; a UNEP rapid response assessment. United Nations Environment Programme.
Citace podle Chicago (17th ed.)United Nations Environment Programme. The Natural Fix?: The Role of Ecosystems in Climate Mitigation ; a UNEP Rapid Response Assessment. [Cambridge, U.K: United Nations Environment Programme, 2009.
Citace podle MLA (9th ed.)United Nations Environment Programme. The Natural Fix?: The Role of Ecosystems in Climate Mitigation ; a UNEP Rapid Response Assessment. United Nations Environment Programme, 2009.
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