Não informado. (1958). Industrialization and Productivity. United Nations, Department of Economic and Social Affairs.
Čikaški stil citiranja (17. izdanje)Não informado. Industrialization and Productivity. New York: United Nations, Department of Economic and Social Affairs, 1958.
MLA način citiranja (8. izdanje)Não informado. Industrialization and Productivity. United Nations, Department of Economic and Social Affairs, 1958.
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