HAMROCK, B. J. (1999). Fundamentals of machine elements - Bernard J.Hamrock, Bo O.Jacobson, Steven R.Schmid. McGraw Hill.
Lua i Stíl Chicago (17ú heag.)HAMROCK, Bernard J. Fundamentals of Machine Elements - Bernard J.Hamrock, Bo O.Jacobson, Steven R.Schmid. McGraw Hill, 1999.
Lua MLA (8ú heag.)HAMROCK, Bernard J. Fundamentals of Machine Elements - Bernard J.Hamrock, Bo O.Jacobson, Steven R.Schmid. McGraw Hill, 1999.
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