Lincoln Electric Company. (1957). Procedure handbook of arc welding design and practice (11th ed.). [s.n.].
Cita Chicago (17th ed.)Lincoln Electric Company. Procedure Handbook of Arc Welding Design and Practice. 11th ed. Cleveland: [s.n.], 1957.
Cita MLA (9th ed.)Lincoln Electric Company. Procedure Handbook of Arc Welding Design and Practice. 11th ed. [s.n.], 1957.
Atenció: Aquestes cites poden no estar 100% correctes.