APA Style
Wong, S.W.. (2010).
Challenging Grammar & Vocabulary Primary 2 .
Singapore:
Educational Publishing House.
Chicago Style
Wong, S.W..
Challenging Grammar & Vocabulary Primary 2.
Singapore:
Educational Publishing House,
2010.
Text.
MLA Style
Wong, S.W..
Challenging Grammar & Vocabulary Primary 2.
Singapore:
Educational Publishing House,
2010.
Text.
Turabian Style
Wong, S.W..
Challenging Grammar & Vocabulary Primary 2.
Singapore:
Educational Publishing House,
2010.
Print.