Gaya APA
Heslop, R., Robinson, P. (1961).
Inorganic chemistry a guide to advance study .
Belanda:
Elsevier publishing company.
Gaya MLA
Heslop, R.B., Robinson, P.L..
"Inorganic chemistry a guide to advance study".
Belanda:
Elsevier publishing company,
1961.
Text.