Joseph B. W. Yeo. New Syllabus Mathematics: COURSEBOOK. Shinglee Publishers.
芝加哥风格引文Joseph B. W. Yeo. New Syllabus Mathematics: COURSEBOOK. Shinglee Publishers.
MLA引文Joseph B. W. Yeo. New Syllabus Mathematics: COURSEBOOK. Shinglee Publishers.
警告：这些引文格式不一定是100％准确.