Gaya APA

Ramakrishnan, C. et al (2017). My pals are here! workbook maths 3A (3rd edition). Singapore: Marshall Cavendish.

Gaya MLA

Ramakrishnan, Chelvi. et al. "My pals are here! workbook maths 3A". 3rd edition Singapore: Marshall Cavendish, 2017. Text.