Gaya APA
Chen, Calvin. (2002).
Focus on Maths : Primary 3 (Cet. 1.--).
Singapore:
Educational Publishing House Pte Ltd.
Gaya Chicago
Chen, Calvin.
Focus on Maths : Primary 3.
Cet. 1.--
Singapore:
Educational Publishing House Pte Ltd,
2002.
Text.
Gaya MLA
Chen, Calvin.
Focus on Maths : Primary 3.
Cet. 1.--
Singapore:
Educational Publishing House Pte Ltd,
2002.
Text.
Gaya Turabian
Chen, Calvin.
Focus on Maths : Primary 3.
Cet. 1.--
Singapore:
Educational Publishing House Pte Ltd,
2002.
Print.