American National Standards Institute. (1988). Recommended Practices and Procedures for Welding Low Carbon Steel Pipe - ANSI/AWS D10.12-89. American: American Welding Society.
Chicago ZitierstilAmerican National Standards Institute. Recommended Practices and Procedures for Welding Low Carbon Steel Pipe - ANSI/AWS D10.12-89. American: American Welding Society, 1988.
MLA ZitierstilAmerican National Standards Institute. Recommended Practices and Procedures for Welding Low Carbon Steel Pipe - ANSI/AWS D10.12-89. American: American Welding Society, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.