Spotts, M. (2019). Design of Machine Elements (1st.). PEARSON.
Lua i Stíl Chicago (17ú heag.)Spotts, M.F. Design of Machine Elements. 1st. NEW DELHI: PEARSON, 2019.
Lua MLA (9ú heag.)Spotts, M.F. Design of Machine Elements. 1st. PEARSON, 2019.
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