APA Style
Leng, H, P. (2009).
I-Science (Interact, Inquire, Investigate) Energy primary 5 & 6 workbook .
Singapore:
EPB Pan Pacific.
MLA Style
Leng, Ho, Peck.
"I-Science (Interact, Inquire, Investigate) Energy primary 5 & 6 workbook".
Singapore:
EPB Pan Pacific,
2009.
Text.