BEER, F. P., JOHNSTON, E. R., & DEWOLF, J. T. (2007). Mechanics of materials (Ed.4.). McGraw-Hill Higher Education.
Lua i Stíl Chicago (17ú heag.)BEER, Ferdinand P., E. Russell JOHNSTON, agus John T. DEWOLF. Mechanics of Materials. Ed.4. Boston: McGraw-Hill Higher Education, 2007.
Lua MLA (9ú heag.)BEER, Ferdinand P., et al. Mechanics of Materials. Ed.4. McGraw-Hill Higher Education, 2007.
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