Não informado. (1972). Machinery and steel. Association of Austrian Machinery and Steel Construction Industries.
Čikaški stil citiranja (17. izdanje)Não informado. Machinery and Steel. Vienna: Association of Austrian Machinery and Steel Construction Industries, 1972.
MLA način citiranja (8. izdanje)Não informado. Machinery and Steel. Association of Austrian Machinery and Steel Construction Industries, 1972.
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