United Nations. Statistical Office. (1971). Classification of commodities by industrial origin: Links between the Standart International Trade Classification and the International Standard Industrial Classification.
Chicago Style (17. basım) AtıfUnited Nations. Statistical Office. Classification of Commodities by Industrial Origin: Links Between the Standart International Trade Classification and the International Standard Industrial Classification. New York, 1971.
MLA (9th ed.) AtıfUnited Nations. Statistical Office. Classification of Commodities by Industrial Origin: Links Between the Standart International Trade Classification and the International Standard Industrial Classification. 1971.
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