Clark, D. S., & Varney, W. R. (1962). Physical metallurgy for engineers (2nd. ed.). Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Clark, Donald S., agus Wilbur R. Varney. Physical Metallurgy for Engineers. 2nd. ed. Princeton, N.J.: Van Nostrand, 1962.
Lua MLA (9ú heag.)Clark, Donald S., agus Wilbur R. Varney. Physical Metallurgy for Engineers. 2nd. ed. Van Nostrand, 1962.
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