Stuart J. Murphy. (1997). Lemonade for Sale (MathStart 3) (MathStart 3.). HarperCollins.
芝加哥风格引文Stuart J. Murphy. Lemonade for Sale (MathStart 3). MathStart 3. HarperCollins, 1997.
MLA引文Stuart J. Murphy. Lemonade for Sale (MathStart 3). MathStart 3. HarperCollins, 1997.
警告:这些引文格式不一定是100%准确.