APA Style
Tor, P, V., Wong, K. (2005).
IN STEP 2A : A Course in English for Primary Schools Activity book .
Singapore:
SNP Panpac Pte Ltd.
MLA Style
Tor, Pok, Vic., Wong, Karen.
"IN STEP 2A : A Course in English for Primary Schools Activity book".
Singapore:
SNP Panpac Pte Ltd,
2005.
Text.