Steinman, D. B. (1945). The Builders of the bridge: The story of John Roebling and his son. Harcourt, Brace and Comp.
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Chicago-čujuhus (17. p.)
Steinman, David Barnard. The Builders of the Bridge: The Story of John Roebling and His Son. New York: Harcourt, Brace and Comp, 1945.
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MLA-čujuhus (9. p.)
Steinman, David Barnard. The Builders of the Bridge: The Story of John Roebling and His Son. Harcourt, Brace and Comp, 1945.
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