张丹丹. (2010). 赢在乐观: Win in the optimistic. 中国商业出版社.
Chicago Style (17th ed.) Citation张丹丹. 赢在乐观: Win in the Optimistic. 中国商业出版社, 2010.
MLA (8th ed.) Citation张丹丹. 赢在乐观: Win in the Optimistic. 中国商业出版社, 2010.
Warning: These citations may not always be 100% accurate.