杜海龙. (2006). 宠信你的员工: Specially trust your staff. 北京邮电大学出版社.
Dyfyniad Arddull Chicago杜海龙. 宠信你的员工: Specially Trust Your Staff. 北京邮电大学出版社, 2006.
Dyfyniad MLA杜海龙. 宠信你的员工: Specially Trust Your Staff. 北京邮电大学出版社, 2006.
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