Cita APA (7th ed.)

Kheong, F. H., Ramakrishnan, C., & Wah, L. P. (2001). Maths. Federal.

Cita Chicago (17th ed.)

Kheong, Fong Ho, Chelvi Ramakrishnan, i Lau Pui Wah. Maths. Singapore: Federal, 2001.

Cita MLA (8th ed.)

Kheong, Fong Ho, et al. Maths. Federal, 2001.