Gaya APA
Cahnacci, A., Schwicker, . (1968).
International Dictionary of Metailurgy Mineralogy Geology .
Milan:
Techoprint International.
Gaya MLA
Cahnacci, Angelo., Schwicker, .
"International Dictionary of Metailurgy Mineralogy Geology".
Milan:
Techoprint International,
1968.
Text.