(1953). Truscon open OT truss steel joists. Truscon Steel Division.
Chicago Style (17th ed.) CitationTruscon Open OT Truss Steel Joists. Youngstown: Truscon Steel Division, 1953.
MLA (9th ed.) CitationTruscon Open OT Truss Steel Joists. Truscon Steel Division, 1953.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.