Gaya APA
Koh, C.
(2007).
Biology Insights '0' Level Practical Workbook (2007)
.
Singapura:
Pearson Education.
Gaya MLA
Koh, Caroline.
"Biology Insights '0' Level Practical Workbook (2007)".
Singapura:
Pearson Education,
2007.
Printed Book.