APA (7th ed.) Zitazioa

(1953). Truscon open OT truss steel joists. Truscon Steel Division.

Chicago Style (17th ed.) Zitazioa

Truscon Open OT Truss Steel Joists. Youngstown: Truscon Steel Division, 1953.

MLA (9th ed.) Zitazioa

Truscon Open OT Truss Steel Joists. Truscon Steel Division, 1953.