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.
Cita MLA李洪. 职业健康与安全: Occupational Health and Safety. 人民出版社, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.