李洪. (2010). 职业健康与安全: Occupational health and safety. 人民出版社.
Chicago Style (17th ed.) Citation李洪. 职业健康与安全: Occupational Health and Safety. 人民出版社, 2010.
MLA citiranje李洪. 职业健康与安全: Occupational Health and Safety. 人民出版社, 2010.
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