United Nations Environment Programme. (2009). UNEP Yearbook 2009: New Science and Developments in Our Changing Environment. Phoenix Design Aid.
Цитирование в стиле Чикаго (17-е изд.)United Nations Environment Programme. UNEP Yearbook 2009: New Science and Developments in Our Changing Environment. Denmark: Phoenix Design Aid, 2009.
Цитирование MLA (8-е изд.)United Nations Environment Programme. UNEP Yearbook 2009: New Science and Developments in Our Changing Environment. Phoenix Design Aid, 2009.
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