Gaya APA
Tho, Lai Hoong. (2007).
Interactive science 1 practical 1B .
SIngapore:
EPB.
Gaya Chicago
Tho, Lai Hoong.
Interactive science 1 practical 1B.
SIngapore:
EPB,
2007.
Text.
Gaya MLA
Tho, Lai Hoong.
Interactive science 1 practical 1B.
SIngapore:
EPB,
2007.
Text.
Gaya Turabian
Tho, Lai Hoong.
Interactive science 1 practical 1B.
SIngapore:
EPB,
2007.
Print.