Gaya APA
Chemistry: AS Level and A Level. (2007).
Singapore:
Cambridge University Press.
Gaya Chicago
Chemistry: AS Level and A Level.
Cet. 5.
Singapore:
Cambridge University Press,
2007.
Text.
Gaya MLA
Chemistry: AS Level and A Level.
Cet. 5.
Singapore:
Cambridge University Press,
2007.
Text.
Gaya Turabian
Chemistry: AS Level and A Level.
Singapore:
Cambridge University Press,
2007.
Print.