United Nation's Educational, Scientific and Cultural Organization. (1971). Scientists abroad: A study of the international movement of persons in science and technology. United Nations Educational Scientific and Cultural Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nation's Educational, Scientific and Cultural Organization. Scientists Abroad: A Study of the International Movement of Persons in Science and Technology. Paris: United Nations Educational Scientific and Cultural Organization, 1971.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nation's Educational, Scientific and Cultural Organization. Scientists Abroad: A Study of the International Movement of Persons in Science and Technology. United Nations Educational Scientific and Cultural Organization, 1971.
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