严慧淑. (2013). 数学童话绘本系列：买礼物.
Chicago Style (17th ed.) Citation严慧淑. 数学童话绘本系列：买礼物. 浙江教育出版社, 2013.
MLA (8th ed.) Citation严慧淑. 数学童话绘本系列：买礼物. 2013.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation