APA
Curriculum Planning Y Development Division Ministery Of Education S., . (1997). Primary Mathematics 5B Workbook. Singapur: Federal Publications.
Chicago
Curriculum Planning Y Development Division Ministery Of Education Singapore, . 1997. Primary Mathematics 5B Workbook. Singapur: Federal Publications.
Harvard
Curriculum Planning Y Development Division Ministery Of Education S., . (1997). Primary Mathematics 5B Workbook. Singapur: Federal Publications.
MLA
Curriculum Planning Y Development Division Ministery Of Education Singapore, . Primary Mathematics 5B Workbook. Singapur: Federal Publications. 1997.
