United Nations. Economic Commission for Latin America & United Nations. Technical Assistance Administration. (1958). Manual on economic development projects. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Latin America और United Nations. Technical Assistance Administration. Manual on Economic Development Projects. New York: United Nations, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Latin America और United Nations. Technical Assistance Administration. Manual on Economic Development Projects. United Nations, 1958.
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