Gaya APA

Kheong, F, H. (2007). Maths 1A Workbook Part 1 (1 SD 2nd Edition). Singapore: Federal Marhsall Cavendish Education.

Gaya MLA

Kheong, Fong, Ho. "Maths 1A Workbook Part 1". 1 SD 2nd Edition Singapore: Federal Marhsall Cavendish Education, 2007. .