NOWLAN, R. A., & WASHBURN, R. M. (1975). Geometry for teachers. Harper and row.
芝加哥风格引文NOWLAN, Robert A., 与 Robert M. WASHBURN. Geometry for Teachers. New York: Harper and row, 1975.
MLA引文NOWLAN, Robert A., 与 Robert M. WASHBURN. Geometry for Teachers. Harper and row, 1975.
警告：这些引文格式不一定是100％准确.