United Nations. Industrial Development Organization. (1969). Planning for advanced skills and technologies. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. New York: United Nations, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. United Nations, 1969.
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