Gaya APA
Lepp, H. (1975).
Geochemistry of Iron; Benchmark Papers in Geology, Vol. 18 .
Pennsylvania:
Dowden, Hutchington & Ross, Inc..
Gaya MLA
Lepp, Henry.
"Geochemistry of Iron; Benchmark Papers in Geology, Vol. 18".
Pennsylvania:
Dowden, Hutchington & Ross, Inc.,
1975.
Text.