Pui Yee. New Syllabus Primary Mathematics 2B: Workbook. Shinglee Publishers.
芝加哥风格引文Pui Yee. New Syllabus Primary Mathematics 2B: Workbook. Shinglee Publishers.
MLA引文Pui Yee. New Syllabus Primary Mathematics 2B: Workbook. Shinglee Publishers.
警告：这些引文格式不一定是100％准确.