APA Style
TAY, Beverly. (2007).
Science in focus biology : Biology 'n' level .
Singapura:
Pearson.
Chicago Style
TAY, Beverly.
Science in focus biology : Biology 'n' level.
Singapura:
Pearson,
2007.
Text.
MLA Style
TAY, Beverly.
Science in focus biology : Biology 'n' level.
Singapura:
Pearson,
2007.
Text.
Turabian Style
TAY, Beverly.
Science in focus biology : Biology 'n' level.
Singapura:
Pearson,
2007.
Print.