United Nations Industrial Development Organization. (1977). Information sources on the foundry industry (Rev. ed.). United Nations.
Chicago-viite (17. p.)United Nations Industrial Development Organization. Information Sources on the Foundry Industry. Rev. ed. New York: United Nations, 1977.
MLA-viite (9. p.)United Nations Industrial Development Organization. Information Sources on the Foundry Industry. Rev. ed. United Nations, 1977.
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