William A. Nash, P. (1977). SCHAUM'S OUTLINE OF THEORY AND PROBLEMS OF STRENGTH OF MATERIALS. McGraw-Hill Book Co.
Lua i Stíl Chicago (17ú heag.)William A. Nash, Ph.D. SCHAUM'S OUTLINE OF THEORY AND PROBLEMS OF STRENGTH OF MATERIALS. McGraw-Hill Book Co, 1977.
Lua MLA (8ú heag.)William A. Nash, Ph.D. SCHAUM'S OUTLINE OF THEORY AND PROBLEMS OF STRENGTH OF MATERIALS. McGraw-Hill Book Co, 1977.
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