Gaya APA

Briggs, J. (2005). Science In Focus Chemistry For Secondary 5 Normal (Akademic) : Theory Workbook . Singapore: Pearson Education South Asia Pte Ltd.

Gaya MLA

Briggs, JGR. "Science In Focus Chemistry For Secondary 5 Normal (Akademic) : Theory Workbook". Singapore: Pearson Education South Asia Pte Ltd, 2005. Text.