United Nations Industrial Development Organization. (1972). Information sources on the leather and leather goods industry. United Nations.
Chicagoスタイル(17版)引用形式United Nations Industrial Development Organization. Information Sources on the Leather and Leather Goods Industry. New York: United Nations, 1972.
MLA(9版)引用形式United Nations Industrial Development Organization. Information Sources on the Leather and Leather Goods Industry. United Nations, 1972.
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