Gaya APA
Johnsen, R, H., Grunwald, E. (1965).
Atoms, Molecules and Chemical Change Second Edition .
:
Prentice Hall Inc..
Gaya MLA
Johnsen, Russell, H., Grunwald, Ernest.
"Atoms, Molecules and Chemical Change Second Edition".
:
Prentice Hall Inc.,
1965.
Text.