Dyfyniad APA

Alexander, W. O. (1985). Essential metallurgy for engineers. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Alexander, W. O. Essential Metallurgy for Engineers. England: Van Nostrand Reinhold, 1985.

Dyfyniad MLA

Alexander, W. O. Essential Metallurgy for Engineers. Van Nostrand Reinhold, 1985.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.