Gaya APA
Hill, John W.. (1984).
Chemistry for changing times - fourth edition .
New York:
Macmillan Publishing Co..
Gaya Chicago
Hill, John W..
Chemistry for changing times - fourth edition.
New York:
Macmillan Publishing Co.,
1984.
Text.
Gaya MLA
Hill, John W..
Chemistry for changing times - fourth edition.
New York:
Macmillan Publishing Co.,
1984.
Text.
Gaya Turabian
Hill, John W..
Chemistry for changing times - fourth edition.
New York:
Macmillan Publishing Co.,
1984.
Print.