UNITED NATIONS,Industrial Development Organization. (1978). Manual for the preparation of industrial feasibilitystudies. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUNITED NATIONS,Industrial Development Organization. Manual for the Preparation of Industrial Feasibilitystudies. New York: United Nations, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUNITED NATIONS,Industrial Development Organization. Manual for the Preparation of Industrial Feasibilitystudies. United Nations, 1978.
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