Gaya APA
Harwood, Richard. (2002).
New edition chemistry .
New York:
Cambridge University Press.
Gaya Chicago
Harwood, Richard.
New edition chemistry.
New York:
Cambridge University Press,
2002.
Text.
Gaya MLA
Harwood, Richard.
New edition chemistry.
New York:
Cambridge University Press,
2002.
Text.
Gaya Turabian
Harwood, Richard.
New edition chemistry.
New York:
Cambridge University Press,
2002.
Print.