United Nations. Industrial Development Organization. (1973). Information units in small plants. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Information Units in Small Plants. New York: United Nations, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Information Units in Small Plants. United Nations, 1973.
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