Não informado. Natural Resources & Energy. United Nations, Department of Technical Cooperation for Development.
Style de citation Chicago (17e éd.)Não informado. Natural Resources & Energy. New York: United Nations, Department of Technical Cooperation for Development.
Style de citation MLA (8e éd.)Não informado. Natural Resources & Energy. United Nations, Department of Technical Cooperation for Development.
Attention : ces citations peuvent ne pas être correctes à 100%.