APA Style
Cheng, Joylynn. (2009).
100 Challenging Maths Book 6 .
Singapore:
Singapore Asian Publication.
Chicago Style
Cheng, Joylynn.
100 Challenging Maths Book 6.
Singapore:
Singapore Asian Publication,
2009.
Text.
MLA Style
Cheng, Joylynn.
100 Challenging Maths Book 6.
Singapore:
Singapore Asian Publication,
2009.
Text.
Turabian Style
Cheng, Joylynn.
100 Challenging Maths Book 6.
Singapore:
Singapore Asian Publication,
2009.
Print.