Gaya APA
Toh, C.
(2008).
A-Level Study Guide Mathematics (Higher 2)
.
Singapore:
Step-by-step Managemenst Pte.Ltd.
Gaya MLA
Toh, CS.
"A-Level Study Guide Mathematics (Higher 2)".
Singapore:
Step-by-step Managemenst Pte.Ltd,
2008.
Text.