Gaya APA

Ramakrishnan, C. et al (2018). My pals are here! workbook maths 2A (3rd edition). Singapore: Marshall Cavendish.

Gaya MLA

Ramakrishnan, Chelvi. et al. "My pals are here! workbook maths 2A". 3rd edition Singapore: Marshall Cavendish, 2018. Text.