胡成国. (2010). 优秀员工的工作习惯: Outstanding employee's working habits. 中国纺织出版社.
Chicago (17e ed.) Bronvermelding胡成国. 优秀员工的工作习惯: Outstanding Employee's Working Habits. 中国纺织出版社, 2010.
MLA (8e ed.) Bronvermelding胡成国. 优秀员工的工作习惯: Outstanding Employee's Working Habits. 中国纺织出版社, 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.