Jones & Laughlin Steel Company. (1908). Standard steel construction: A manual for architects, engineers and contractors, relating to the use of structural steel (6th ed.). Jones and Laughlin Steel Company.
Lua i Stíl Chicago (17ú heag.)Jones & Laughlin Steel Company. Standard Steel Construction: A Manual for Architects, Engineers and Contractors, Relating to the Use of Structural Steel. 6th ed. Pittsburgh: Jones and Laughlin Steel Company, 1908.
Lua MLA (8ú heag.)Jones & Laughlin Steel Company. Standard Steel Construction: A Manual for Architects, Engineers and Contractors, Relating to the Use of Structural Steel. 6th ed. Jones and Laughlin Steel Company, 1908.
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