Gaya APA
WELLER, P, F., Supple, J, H.
(1971).
CHEMISTRY: ELEMENTARY PRINCIPLES
.
Massachusetts:
Addison-Wesley.
Gaya MLA
WELLER, Paul, F., Supple, Jerome, H..
"CHEMISTRY: ELEMENTARY PRINCIPLES".
Massachusetts:
Addison-Wesley,
1971.
Textbook.