Gaya APA
ALLEGRE, C, J., HART, S, R. (1978).
Trace Elements in Igneous Petrology .
Amsterdam:
Elsevier Scentific Publishing Company.
Gaya MLA
ALLEGRE, C., J.., HART, S., R..
"Trace Elements in Igneous Petrology".
Amsterdam:
Elsevier Scentific Publishing Company,
1978.
Text.