Copley, J. V. The young child and mathematics.
芝加哥风格引文Copley, Juanita V. The Young Child and Mathematics.
MLA引文Copley, Juanita V. The Young Child and Mathematics.
警告：这些引文格式不一定是100％准确.
APA引文
Copley, J. V. The young child and mathematics.
芝加哥风格引文Copley, Juanita V. The Young Child and Mathematics.
MLA引文Copley, Juanita V. The Young Child and Mathematics.