(1915). The National Erectors' Association and the International Association of Bridge and Structural Ironworkers. [s.n.].
Chicago-Zitierstil (17. Ausg.)The National Erectors' Association and the International Association of Bridge and Structural Ironworkers. Washington, D.C: [s.n.], 1915.
MLA-Zitierstil (9. Ausg.)The National Erectors' Association and the International Association of Bridge and Structural Ironworkers. [s.n.], 1915.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.