Gaya APA
J., S, M., A., P, R.
(1961).
Chemistry
(
Edisi Dua)
.
new york:
McGraw-Hill Book Company.
Gaya MLA
J., Sienko, Michell., A., Plane, Robert.
"Chemistry".
Edisi Dua
new york:
McGraw-Hill Book Company,
1961.
Text.