APA
Curiculum Development Institute Of Singapore, . (1994). Primary Mathematics 4B Workbook Part Two. Singapur: Federal Publications.
Chicago
Curiculum Development Institute Of Singapore, . 1994. Primary Mathematics 4B Workbook Part Two. Singapur: Federal Publications.
Harvard
Curiculum Development Institute Of Singapore, . (1994). Primary Mathematics 4B Workbook Part Two. Singapur: Federal Publications.
MLA
Curiculum Development Institute Of Singapore, . Primary Mathematics 4B Workbook Part Two. Singapur: Federal Publications. 1994.
