Ketchum, M. S. (1924). Structural engineers' handbook: Data for the design and construction of steel bridges and buildings (3rd ed., enl.). McGraw-Hill book company, inc..
Citace podle Chicago (17th ed.)Ketchum, Milo S. Structural Engineers' Handbook: Data for the Design and Construction of Steel Bridges and Buildings. 3rd ed., enl. New York [etc.]: McGraw-Hill book company, inc., 1924.
Citace podle MLA (9th ed.)Ketchum, Milo S. Structural Engineers' Handbook: Data for the Design and Construction of Steel Bridges and Buildings. 3rd ed., enl. McGraw-Hill book company, inc., 1924.
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