Gaya APA

SOON, F, H, K, C, R, G, K. (2009). MATHS 4A PRACTICE BOOK . SINGAPORE: Marshall Cavendish Education.

Gaya MLA

SOON, FONG, HO, KHEONG,, CHELVI, RAMAKRISHNAN,, GAN, KEE. "MATHS 4A PRACTICE BOOK". SINGAPORE: Marshall Cavendish Education, 2009. Text.