巩孺萍 & 杜凌云. (2014). 画的是什么: What are you drawing. 接力出版社.
Chicago Style (17th ed.) Citation巩孺萍 and 杜凌云. 画的是什么: What Are You Drawing. 接力出版社, 2014.
MLA (8th ed.) Citation巩孺萍 and 杜凌云. 画的是什么: What Are You Drawing. 接力出版社, 2014.
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