APA Style
Leng, H, P. (2008).
I-Science (Interact, Inquire, Investigate) Systems primary 3 & 4 textbook .
Singapore:
EPB Pan Pacific.
MLA Style
Leng, Ho, Peck.
"I-Science (Interact, Inquire, Investigate) Systems primary 3 & 4 textbook".
Singapore:
EPB Pan Pacific,
2008.
Text.