APA aipamena

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 Style aipamena

American National Standards Institute. Recommended Practices and Procedures for Welding Low Carbon Steel Pipe - ANSI/AWS D10.12-89. American: American Welding Society, 1988.

MLA aipamena

American National Standards Institute. Recommended Practices and Procedures for Welding Low Carbon Steel Pipe - ANSI/AWS D10.12-89. American: American Welding Society, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.