Bereiter, C. (1979). Bargains galore: Mathematical thinking stories and problems. Open Court.
芝加哥风格引文Bereiter, Carl. Bargains Galore: Mathematical Thinking Stories and Problems. Illinois: Open Court, 1979.
MLA引文Bereiter, Carl. Bargains Galore: Mathematical Thinking Stories and Problems. Open Court, 1979.
警告：这些引文格式不一定是100％准确.