Gaya APA
LUM, Yu Chun. (2005).
The Young Scientists Level 1 .
Singapore:
Young Scientists Enterprise.
Gaya Chicago
LUM, Yu Chun.
The Young Scientists Level 1.
Singapore:
Young Scientists Enterprise,
2005.
Text.
Gaya MLA
LUM, Yu Chun.
The Young Scientists Level 1.
Singapore:
Young Scientists Enterprise,
2005.
Text.
Gaya Turabian
LUM, Yu Chun.
The Young Scientists Level 1.
Singapore:
Young Scientists Enterprise,
2005.
Print.