Gaya APA

CLARK, D, S., VARNEY, W, R. (1962). Physical metallurgy for engineers (2nd Edition). United States of America: D. Van Nostrand Company, Ltd..

Gaya MLA

CLARK, Donald, S.., VARNEY, Wilbur, R. "Physical metallurgy for engineers". 2nd Edition United States of America: D. Van Nostrand Company, Ltd., 1962. Text.