APA Style

Goh, L. (2009). Secondary four mathematics tutor 4A: The complete study and answer guide to any mathematics textbook . Singapore: Casco Publications PTE LTD.

MLA Style

Goh, Lee-Ann. "Secondary four mathematics tutor 4A: The complete study and answer guide to any mathematics textbook". Singapore: Casco Publications PTE LTD, 2009. Text.