Ketchum, M. S. (1924). Structural engineers' handbook: Data for the design and construction of steel bridges and buildings (3rd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Ketchum, Milo S. Structural Engineers' Handbook: Data for the Design and Construction of Steel Bridges and Buildings. 3rd ed. New York: McGraw-Hill, 1924.
Citace podle MLA (8th ed.)Ketchum, Milo S. Structural Engineers' Handbook: Data for the Design and Construction of Steel Bridges and Buildings. 3rd ed. McGraw-Hill, 1924.
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