Gaya APA
Thong, Ho Soo. (2007).
Additional mathematics .
Singapore:
Panpac Education Private Limited.
Gaya Chicago
Thong, Ho Soo.
Additional mathematics.
Singapore:
Panpac Education Private Limited,
2007.
Text.
Gaya MLA
Thong, Ho Soo.
Additional mathematics.
Singapore:
Panpac Education Private Limited,
2007.
Text.
Gaya Turabian
Thong, Ho Soo.
Additional mathematics.
Singapore:
Panpac Education Private Limited,
2007.
Print.