Alexander, W. O. (1985). Essential metallurgy for engineers. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Alexander, W. O. Essential Metallurgy for Engineers. England: Van Nostrand Reinhold, 1985.
Lua MLA (9ú heag.)Alexander, W. O. Essential Metallurgy for Engineers. Van Nostrand Reinhold, 1985.
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