American National Standards Institute. (1990). Recommended Practices for Ultrasonic Inspection of Brazed Joints. American: American Welding Society.
Παραπομπή Chicago StyleAmerican National Standards Institute. Recommended Practices for Ultrasonic Inspection of Brazed Joints. American: American Welding Society, 1990.
Παραπομπή MLAAmerican National Standards Institute. Recommended Practices for Ultrasonic Inspection of Brazed Joints. American: American Welding Society, 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.