Cita APA

(2008). Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society.

Chicago Style Citation

Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society, 2008.

Cita MLA

Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society, 2008.

Atenció: Aquestes cites poden no estar 100% correctes.