Boon, F. C. (1969). A companion to school mathematics. Longman.
芝加哥风格引文Boon, Frederick Charles. A Companion to School Mathematics. London: Longman, 1969.
MLA引文Boon, Frederick Charles. A Companion to School Mathematics. Longman, 1969.
警告：这些引文格式不一定是100％准确.