United Nations Environment Programme. (2002). Capacity building for sustainable development:: An overview of UNEP environmental capacity development activities. UNEP.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations Environment Programme. Capacity Building for Sustainable Development:: An Overview of UNEP Environmental Capacity Development Activities. [Nairobi, Kenya]: UNEP, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations Environment Programme. Capacity Building for Sustainable Development:: An Overview of UNEP Environmental Capacity Development Activities. UNEP, 2002.
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