United Nations Department of Economic and Social Affairs Statistics Division. (2002). Handbook on training in civil registration and vital statistics systems. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Department of Economic and Social Affairs Statistics Division. Handbook on Training in Civil Registration and Vital Statistics Systems. New York: United Nations, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Department of Economic and Social Affairs Statistics Division. Handbook on Training in Civil Registration and Vital Statistics Systems. United Nations, 2002.
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