Gaya APA

Teo, F. (1992). Let's Revise Mathematics by Topic : Primary 4 (Ed. 2. Cet. 1.--). Singapore: Federal Publications.

Gaya MLA

Teo, Francis. "Let's Revise Mathematics by Topic : Primary 4". Ed. 2. Cet. 1.-- Singapore: Federal Publications, 1992. Text.