TROXELL, G. E., & DAVIS, H. E. (1956). Composition properties of concrete. McGraw-Hill Book.
Lua i Stíl Chicago (17ú heag.)TROXELL, George E., agus Harmer E. DAVIS. Composition Properties of Concrete. New York: McGraw-Hill Book, 1956.
Lua MLA (9ú heag.)TROXELL, George E., agus Harmer E. DAVIS. Composition Properties of Concrete. McGraw-Hill Book, 1956.
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