APA Style
Cheng, Chung Yu, Ooi, Lee Mei. (2011).
O level essential practice book: Additional mathematics (Algebra) .
Singapore:
Singapore Asia Publishers.
Chicago Style
Cheng, Chung Yu, Ooi, Lee Mei.
O level essential practice book: Additional mathematics (Algebra).
Singapore:
Singapore Asia Publishers,
2011.
Text.
MLA Style
Cheng, Chung Yu, Ooi, Lee Mei.
O level essential practice book: Additional mathematics (Algebra).
Singapore:
Singapore Asia Publishers,
2011.
Text.
Turabian Style
Cheng, Chung Yu, Ooi, Lee Mei.
O level essential practice book: Additional mathematics (Algebra).
Singapore:
Singapore Asia Publishers,
2011.
Print.