Hofman, H. O. (1914). Metallurgy of copper. McGraw-Hill book company, inc..
Cita Chicago (17th ed.)Hofman, H. O. Metallurgy of Copper. New York [etc.]: McGraw-Hill book company, inc., 1914.
Cita MLA (8th ed.)Hofman, H. O. Metallurgy of Copper. McGraw-Hill book company, inc., 1914.
Atenció: Aquestes cites poden no estar 100% correctes.