APA-referens (7:e uppl.)

U. S. Lincoln Electric Company. (1961). How to read shop drawings with special reference to welding and welding symbols. [S. n.].

Chicago-referens (17:e uppl.)

U. S. Lincoln Electric Company. How to Read Shop Drawings with Special Reference to Welding and Welding Symbols. Cleveland: [S. n.], 1961.

MLA-referens (9:e uppl.)

U. S. Lincoln Electric Company. How to Read Shop Drawings with Special Reference to Welding and Welding Symbols. [S. n.], 1961.