Cita APA

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

Citación estilo Chicago

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

Cita MLA

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