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