Gaya APA
Harwood, Richard. (2009).
Chemistry: New Edition .
Cambridge:
Cambridge University Press.
Gaya Chicago
Harwood, Richard.
Chemistry: New Edition.
Cambridge:
Cambridge University Press,
2009.
BUKU PENGAYAAN.
Gaya MLA
Harwood, Richard.
Chemistry: New Edition.
Cambridge:
Cambridge University Press,
2009.
BUKU PENGAYAAN.
Gaya Turabian
Harwood, Richard.
Chemistry: New Edition.
Cambridge:
Cambridge University Press,
2009.
BUKU PENGAYAAN.