APA Style
Yeo, D, J., Seng, T, K.
(2017).
New Syllabus MATHEMATICS 4 7th Edition
.
Singapore:
Shinglee Publishers.
MLA Style
Yeo, Dr, Joseph., Seng, Teh, Keng.
"New Syllabus MATHEMATICS 4 7th Edition".
Singapore:
Shinglee Publishers,
2017.
Text.