U.S. Department of Labor, Bureau of Labor Standards. (1960). Mechanical and physical hazards. U.S. Department of Labor, Bureau of Labor Standards.
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Chicago Style (17th ed.) Citation
U.S. Department of Labor, Bureau of Labor Standards. Mechanical and Physical Hazards. Washington: U.S. Department of Labor, Bureau of Labor Standards, 1960.
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MLA引文
U.S. Department of Labor, Bureau of Labor Standards. Mechanical and Physical Hazards. U.S. Department of Labor, Bureau of Labor Standards, 1960.
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警告：這些引文格式不一定是100％准確.