Bland, J. (1973). Recommended practices for plasma-arc welding. Florida: American Welding Society.
Παραπομπή Chicago StyleBland, Jay. Recommended Practices for Plasma-arc Welding. Florida: American Welding Society, 1973.
Παραπομπή MLABland, Jay. Recommended Practices for Plasma-arc Welding. Florida: American Welding Society, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.