United Nations. Industrial Development Organization. (1973). Extracts of industrial feasibility studies. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Extracts of Industrial Feasibility Studies. New York: United Nations, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Industrial Development Organization. Extracts of Industrial Feasibility Studies. United Nations, 1973.
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