Jeffus, L. F. (2012). Welding: Principles and applications (7th ed.). Delmar, Cengage Learning.
Cita Chicago (17th ed.)Jeffus, Larry F. Welding: Principles and Applications. 7th ed. Clifton Park, N.Y: Delmar, Cengage Learning, 2012.
Cita MLA (9th ed.)Jeffus, Larry F. Welding: Principles and Applications. 7th ed. Delmar, Cengage Learning, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.