Gaya APA
Butler, I, S., Harrod, J, F. (1989).
Inorganic chemistry : principles and applications .
California:
The Benjamin/Cummings.
Gaya MLA
Butler, Ian, S.., Harrod, John, F..
"Inorganic chemistry : principles and applications".
California:
The Benjamin/Cummings,
1989.
Text.