Gaya APA

Briggs, J, G, R. (). Chemistry Science in Focus, for Secondary 5 Normal (Academic) Theory Workbook, Teacher's edition . Singapura: Longman.

Gaya MLA

Briggs, J., G., R. "Chemistry Science in Focus, for Secondary 5 Normal (Academic) Theory Workbook, Teacher's edition". Singapura: Longman, . Text.