贺玉强. (2009). 做节约型员工: Does saving staff. 中国商业出版社.
Chicago Style (17th ed.) Citation贺玉强. 做节约型员工: Does Saving Staff. 中国商业出版社, 2009.
MLA (8th ed.) Citation贺玉强. 做节约型员工: Does Saving Staff. 中国商业出版社, 2009.
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