Gaya APA

Toh, C. (2008). A-Level Study Guide Mathematics (higher 2) Concise illustrated edition 3.0 (FC) . Singapore: Step-by-Step Managements.

Gaya MLA

Toh, CS. "A-Level Study Guide Mathematics (higher 2) Concise illustrated edition 3.0 (FC)". Singapore: Step-by-Step Managements, 2008. Text.