APA Style
Cheng, Chung Yu. (2009).
O level essential study guide: Additional mathematics (Calculus) .
Singapore:
Singapore Asian Publications.
Chicago Style
Cheng, Chung Yu.
O level essential study guide: Additional mathematics (Calculus).
Singapore:
Singapore Asian Publications,
2009.
Text.
MLA Style
Cheng, Chung Yu.
O level essential study guide: Additional mathematics (Calculus).
Singapore:
Singapore Asian Publications,
2009.
Text.
Turabian Style
Cheng, Chung Yu.
O level essential study guide: Additional mathematics (Calculus).
Singapore:
Singapore Asian Publications,
2009.
Print.