International Association of Bridge and Structural Iron Workers & International Association of Bridge, Structural, and Ornamental Iron Workers. The Bridgemen's magazine. International Association of Bridge and Structural Iron Workers].
Παραπομπή σε μορφή Chicago (17η εκδ.)International Association of Bridge and Structural Iron Workers και Structural International Association of Bridge. The Bridgemen's Magazine. [Cleveland, Ohio: International Association of Bridge and Structural Iron Workers].
Παραπομπή σε μορφή MLA (8th εκδ.)International Association of Bridge and Structural Iron Workers και Structural International Association of Bridge. The Bridgemen's Magazine. International Association of Bridge and Structural Iron Workers].
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