Allendoerfer, C. B. (1971). Principles of arithmetic and geometry for elementary school teachers. Macmillan.
芝加哥风格引文Allendoerfer, Carl B. Principles of Arithmetic and Geometry for Elementary School Teachers. New York: Macmillan, 1971.
MLA引文Allendoerfer, Carl B. Principles of Arithmetic and Geometry for Elementary School Teachers. Macmillan, 1971.
警告：这些引文格式不一定是100％准确.