Gaya APA

Elwell, W, D. (1966). Analysis of the New Metals: Titanium, Zirconium, Hefnium, Mobium, Tantalum, Tungsten and Their Alloys . Oxford: Pergamon Press.

Gaya MLA

Elwell, Wood, D.F.. "Analysis of the New Metals: Titanium, Zirconium, Hefnium, Mobium, Tantalum, Tungsten and Their Alloys". Oxford: Pergamon Press, 1966. Text.