李洪. (2010). 职业健康与安全: Occupational health and safety. 人民出版社.
Chicago (17e ed.) Bronvermelding李洪. 职业健康与安全: Occupational Health and Safety. 人民出版社, 2010.
MLA (8e ed.) Bronvermelding李洪. 职业健康与安全: Occupational Health and Safety. 人民出版社, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.