United Nations Industrial Development Organization. (1972). Information sources on the leather and leather goods industry. United Nations.
Chicago Style (17. basım) AtıfUnited Nations Industrial Development Organization. Information Sources on the Leather and Leather Goods Industry. New York: United Nations, 1972.
MLA (9th ed.) AtıfUnited Nations Industrial Development Organization. Information Sources on the Leather and Leather Goods Industry. United Nations, 1972.
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