APA引文

(2014). Help your kids with math: A unique step-by-step visual guide (Rev. and updated new edition.). DK Publishing.

Chicago Style (17th ed.) Citation

Help Your Kids with Math: A Unique Step-by-step Visual Guide. Rev. and updated new edition. New York: DK Publishing, 2014.

MLA引文

Help Your Kids with Math: A Unique Step-by-step Visual Guide. Rev. and updated new edition. DK Publishing, 2014.

警告：這些引文格式不一定是100％准確.