APA (7th ed.) Citation

Chan Yook Lean. (2007). Mathematics: Year 4, 5 & 6 UPSR. Sasbadi Sdn. Bhd..

Chicago Style (17th ed.) Citation

Chan Yook Lean. Mathematics: Year 4, 5 & 6 UPSR. Petaling Jaya: Sasbadi Sdn. Bhd., 2007.

MLA (9th ed.) Citation

Chan Yook Lean. Mathematics: Year 4, 5 & 6 UPSR. Sasbadi Sdn. Bhd., 2007.