Jeffus, L. F. (2007). Safety for welders. Delmar, Cengage Learning.
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Citação norma Chicago
Jeffus, Larry F. Safety for Welders. Clifton Park: Delmar, Cengage Learning, 2007.
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Citação norma MLA
Jeffus, Larry F. Safety for Welders. Delmar, Cengage Learning, 2007.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.