Gaya APA
Kheong, F, H. et al
(2004).
Maths 1B: Practice book
(
1)
.
Singapore:
Federal-Marshall Cavendish Education.
Gaya MLA
Kheong, Fong, Ho. et al.
"Maths 1B: Practice book".
1
Singapore:
Federal-Marshall Cavendish Education,
2004.
.