Barber, J. R. (2001). Intermediate mechanics of materials J. R. Barber. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Barber, J. R. Intermediate Mechanics of Materials J. R. Barber. McGraw-Hill, 2001.
Lua MLA (8ú heag.)Barber, J. R. Intermediate Mechanics of Materials J. R. Barber. McGraw-Hill, 2001.
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