任成元. (2017). 产品专题设计: Product subject design. 清华大学出版社.
Chicago Style (17th ed.) Citation任成元. 产品专题设计: Product Subject Design. 清华大学出版社, 2017.
MLA (8th ed.) Citation任成元. 产品专题设计: Product Subject Design. 清华大学出版社, 2017.
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