Gaya APA

Leng, A, L, Y., Meng, Y, F. (2010). Discovering Mathematics 4A (Year 10) . Singapore: Star Publishing Pte Ltd.

Gaya MLA

Leng, Ann, Lui, Yin., Meng, Yong, Fook. "Discovering Mathematics 4A (Year 10)". Singapore: Star Publishing Pte Ltd, 2010. Text.