Gaya APA
Clark, D, S., Varney, W, R.
(1962).
Physical metalurgy for engineers
.
New York:
D. Van Nosttand Company.
Gaya MLA
Clark, Donald, S.., Varney, Wilbur, R..
"Physical metalurgy for engineers".
New York:
D. Van Nosttand Company,
1962.
Text.