United Nations. Department of International Economic and Social Affairs. (1982). Unabridged model of life tables corresponding to the new United Nations model life tables for developing countries. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Department of International Economic and Social Affairs. Unabridged Model of Life Tables Corresponding to the New United Nations Model Life Tables for Developing Countries. New Yorl: United Nations, 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Department of International Economic and Social Affairs. Unabridged Model of Life Tables Corresponding to the New United Nations Model Life Tables for Developing Countries. United Nations, 1982.
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