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