APA
(2010). Mathematical Olympiad For primary Schools. Singapore: Pearson Education Soputh Asia.
Chicago
2010. Mathematical Olympiad For primary Schools. Singapore: Pearson Education Soputh Asia.
Harvard
(2010). Mathematical Olympiad For primary Schools. Singapore: Pearson Education Soputh Asia.
MLA
Mathematical Olympiad For primary Schools. Singapore: Pearson Education Soputh Asia. 2010.