American Society of Mechanical Engineers. Boiler and pressure vessel committee. Subcommittee on Welding. (2007). An international code. 2007 ASME boiler and pressure vessel code. IX Qualification standard for weiding and brazing procedures, and welders, brazers, and welding and brazing operators. Estados Unidos de América: ASME.
Chicago Style CitationAmerican Society of Mechanical Engineers. Boiler and pressure vessel committee. Subcommittee on Welding. An International Code. 2007 ASME Boiler and Pressure Vessel Code. IX Qualification Standard for Weiding and Brazing Procedures, and Welders, Brazers, and Welding and Brazing Operators. Estados Unidos de América: ASME, 2007.
MLA CitationAmerican Society of Mechanical Engineers. Boiler and pressure vessel committee. Subcommittee on Welding. An International Code. 2007 ASME Boiler and Pressure Vessel Code. IX Qualification Standard for Weiding and Brazing Procedures, and Welders, Brazers, and Welding and Brazing Operators. Estados Unidos de América: ASME, 2007.