Kheong, F. H., Ramakrishnan, C., & Choo, M. (2002). Maths: Pupil's book. Times Media.
Lua i Stíl Chicago (17ú heag.)Kheong, Fong Ho, Chelvi Ramakrishnan, agus Michelle Choo. Maths: Pupil's Book. Singapore: Times Media, 2002.
Lua MLA (8ú heag.)Kheong, Fong Ho, et al. Maths: Pupil's Book. Times Media, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.