United Nations Educational, Scientific, and Cultural Organization. (1972). The origin of homo sapiens: Proceedings of the Paris symposium, 2-5 September 1969. UNESCO.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations Educational, Scientific, and Cultural Organization. The Origin of Homo Sapiens: Proceedings of the Paris Symposium, 2-5 September 1969. Paris: UNESCO, 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations Educational, Scientific, and Cultural Organization. The Origin of Homo Sapiens: Proceedings of the Paris Symposium, 2-5 September 1969. UNESCO, 1972.
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