United Nations, Department of Economic and Social Affairs. (2022). Natural Resources Forum. Elsevier.
Citação do estilo Chicago (17ª ed.)United Nations, Department of Economic and Social Affairs. Natural Resources Forum. Amsterdam: Elsevier, 2022.
Citação MLA (8ª ed.)United Nations, Department of Economic and Social Affairs. Natural Resources Forum. Elsevier, 2022.
警告：这些引文格式不一定是100％准确.