Tohutoro APA (7th ed.)
Wald, P. H., & Stave, G. M. Physical and Biological Hazards of the Workplace (2a edición.). Wiley.
Tohutoru Kātū Chicago (17th ed.)
Wald, Peter H., me Gregg M. Stave. Physical and Biological Hazards of the Workplace. 2a edición. Nueva York, EUA: Wiley.
Tohutoro MLA (9th ed.)
Wald, Peter H., me Gregg M. Stave. Physical and Biological Hazards of the Workplace. 2a edición. Wiley.
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