NASH, W. A. (1999). Schaum's outline of theory and problems of strength of material.-- ed.4. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)NASH, William A. Schaum's Outline of Theory and Problems of Strength of Material.-- Ed.4. New York: McGraw-Hill, 1999.
Lua MLA (9ú heag.)NASH, William A. Schaum's Outline of Theory and Problems of Strength of Material.-- Ed.4. McGraw-Hill, 1999.
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