United Nations. Economic Commission for Latin America & United Nations. Technical Assistance Administration. (1958). Manual on economic development projects. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations. Economic Commission for Latin America και United Nations. Technical Assistance Administration. Manual on Economic Development Projects. New York: United Nations, 1958.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations. Economic Commission for Latin America και United Nations. Technical Assistance Administration. Manual on Economic Development Projects. United Nations, 1958.
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