United Nations. Statistical Office. (1966). Classification of commodities by industrial origin; relationship of the Standard international trade classification to the International standard industrial classification. United Nations.
Citazione stile Chigago Style (17a edizione)United Nations. Statistical Office. Classification of Commodities by Industrial Origin; Relationship of the Standard International Trade Classification to the International Standard Industrial Classification. New York: United Nations, 1966.
Citatione MLA (9a ed.)United Nations. Statistical Office. Classification of Commodities by Industrial Origin; Relationship of the Standard International Trade Classification to the International Standard Industrial Classification. United Nations, 1966.
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