APA Style
Keung, C, W., Meng, Y, F. (2016).
Discovering MATHEMATICS 4 2nd Edition Workbook (2nd Edition).
Singapore:
Star Publishing.
MLA Style
Keung, Chow, Wai., Meng, Yong, Fook.
"Discovering MATHEMATICS 4 2nd Edition Workbook".
2nd Edition
Singapore:
Star Publishing,
2016.
Text.