APA Style

Tan, K, H, B. (2012). A complete guide (with practice) to G.C.E. 'O' level: Combined science (physics, chemistry) . : Fairfield Book Publishers.

MLA Style

Tan, Kian, Hua, Barry. "A complete guide (with practice) to G.C.E. 'O' level: Combined science (physics, chemistry)". : Fairfield Book Publishers, 2012. Text.