United Nations, Department of Economic and Social Affairs. (2022). Natural Resources Forum. Elsevier.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations, Department of Economic and Social Affairs. Natural Resources Forum. Amsterdam: Elsevier, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited Nations, Department of Economic and Social Affairs. Natural Resources Forum. Elsevier, 2022.
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