United Nations Environment Programme & UNEP. Global Environment Outlook 3: Past, present and future perspectives. GEO-3: past, present and future perspectives.
Style de citation Chicago (17e éd.)United Nations Environment Programme et UNEP. Global Environment Outlook 3: Past, Present and Future Perspectives. GEO-3: Past, Present and Future Perspectives. UNEP. EARTHSCAN.
Style de citation MLA (9e éd.)United Nations Environment Programme et UNEP. Global Environment Outlook 3: Past, Present and Future Perspectives. GEO-3: Past, Present and Future Perspectives.
Attention : ces citations peuvent ne pas être correctes à 100%.