Cita APA (7th ed.)

Kheong, F. H., Ramakrishnan, C., & Soon, G. K. (2005). Maths. Federal Publications.

Cita Chicago (17th ed.)

Kheong, Fong Ho, Chelvi Ramakrishnan, i Gan Kee Soon. Maths. Singapore: Federal Publications, 2005.

Cita MLA (8th ed.)

Kheong, Fong Ho, et al. Maths. Federal Publications, 2005.