APA Style
Yin, L, S. (2007).
The young scientists 88 level 2 : wildfires (88 level 2).
Singapore:
Young Scientists Enterprise.
MLA Style
Yin, Leong, Sheng.
"The young scientists 88 level 2 : wildfires".
88 level 2
Singapore:
Young Scientists Enterprise,
2007.
Text.