Citazione Stile APA (7a Edizione)

Lincoln Electric Company. (1981). New lessons in arc welding (3rd ed.). Lincoln Electric Company.

Citazione stile Chigago Style (17a edizione)

Lincoln Electric Company. New Lessons in Arc Welding. 3rd ed. Cleveland, Ohio: Lincoln Electric Company, 1981.

Citatione MLA (9a ed.)

Lincoln Electric Company. New Lessons in Arc Welding. 3rd ed. Lincoln Electric Company, 1981.