Gaya APA

Liang, C, B. et al (2023). Workbook: Cambridge IGCSE and O Level: Additional Mathematics . Singapore: Marshall Cavendish Education.

Gaya MLA

Liang, Chua, Boon. et al. "Workbook: Cambridge IGCSE and O Level: Additional Mathematics". Singapore: Marshall Cavendish Education, 2023. Karya Cetak.