APA (7th ed.) Citation

崔钟雷. 幼儿益智练习本 减法练习. 凤凰出版社.

Chicago Style (17th ed.) Citation

崔钟雷. 幼儿益智练习本 减法练习. 凤凰出版社.

MLA (8th ed.) Citation

崔钟雷. 幼儿益智练习本 减法练习. 凤凰出版社.

Warning: These citations may not always be 100% accurate.