APA Style
Sim, Janet. (2006).
Challenging Science Primary 6 .
Singapore:
Educational Publishing House.
Chicago Style
Sim, Janet.
Challenging Science Primary 6.
Singapore:
Educational Publishing House,
2006.
Text.
MLA Style
Sim, Janet.
Challenging Science Primary 6.
Singapore:
Educational Publishing House,
2006.
Text.
Turabian Style
Sim, Janet.
Challenging Science Primary 6.
Singapore:
Educational Publishing House,
2006.
Print.