Urquhart, L. C., O'Rourke, C. E., & Winter, G. (1958). Design of concrete structures (6th ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleUrquhart, Leonard Church, Charles Edward O'Rourke, and George Winter. Design of Concrete Structures. 6th ed. New York: McGraw-Hill Book Company, 1958.
Παραπομπή MLAUrquhart, Leonard Church, Charles Edward O'Rourke, and George Winter. Design of Concrete Structures. 6th ed. New York: McGraw-Hill Book Company, 1958.
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