United States Steel Corporation, Pittsburgh, Pa. (1957). The making, shaping and treating of steel (7th ed.). U.S. Steel Corp..
Citazione stile Chigago Style (17a edizione)United States Steel Corporation, Pittsburgh, Pa. The Making, Shaping and Treating of Steel. 7th ed. Pittsburgh: U.S. Steel Corp., 1957.
Citatione MLA (8a ed.)United States Steel Corporation, Pittsburgh, Pa. The Making, Shaping and Treating of Steel. 7th ed. U.S. Steel Corp., 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.