Gaya APA
Kheong, F, H.
(2004).
Maths 4B: Reteach
(
4B SD)
.
Singapore:
Federal Marshall Cavendish Education.
Gaya MLA
Kheong, Fong, Ho.
"Maths 4B: Reteach".
4B SD
Singapore:
Federal Marshall Cavendish Education,
2004.
.