Hathaway, J. (2017). 180 days of problem solving for kindergarten. Shell Education.
芝加哥风格引文Hathaway, Jessica. 180 Days of Problem Solving for Kindergarten. Huntington Beach, California: Shell Education, 2017.
MLA引文Hathaway, Jessica. 180 Days of Problem Solving for Kindergarten. Shell Education, 2017.
警告：这些引文格式不一定是100％准确.