Foong Pui Yee. (2008). New Syllabus Primary Mathematics Workbook- 5B (2nd Edition.). Shinglee Publishers.
Chicago-viite (17. p.)Foong Pui Yee. New Syllabus Primary Mathematics Workbook- 5B. 2nd Edition. Singapore: Shinglee Publishers, 2008.
MLA-viite (9. p.)Foong Pui Yee. New Syllabus Primary Mathematics Workbook- 5B. 2nd Edition. Shinglee Publishers, 2008.
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