APA
Curriculum Development Institute Of Singapore, . (1992). Primary Mathematics 3A. Workbook Part one. Singapur: .
Chicago
Curriculum Development Institute Of Singapore, . 1992. Primary Mathematics 3A. Workbook Part one. Singapur: .
Harvard
Curriculum Development Institute Of Singapore, . (1992). Primary Mathematics 3A. Workbook Part one. Singapur: .
MLA
Curriculum Development Institute Of Singapore, . Primary Mathematics 3A. Workbook Part one. Singapur: . 1992.
