APA Style
Longman, Pearson. (2007).
BIOLOGY INSIGHTS "O" LEVEL .
Singapura:
Pearson Education South Asia Pte.Ltd.
Chicago Style
Longman, Pearson.
BIOLOGY INSIGHTS "O" LEVEL.
Singapura:
Pearson Education South Asia Pte.Ltd,
2007.
Text.
MLA Style
Longman, Pearson.
BIOLOGY INSIGHTS "O" LEVEL.
Singapura:
Pearson Education South Asia Pte.Ltd,
2007.
Text.
Turabian Style
Longman, Pearson.
BIOLOGY INSIGHTS "O" LEVEL.
Singapura:
Pearson Education South Asia Pte.Ltd,
2007.
Print.