Spotts, M. (2019). Design of Machine Elements (1st.). PEARSON.
Cita Chicago (17th ed.)Spotts, M.F. Design of Machine Elements. 1st. NEW DELHI: PEARSON, 2019.
Cita MLA (9th ed.)Spotts, M.F. Design of Machine Elements. 1st. PEARSON, 2019.
Atenció: Aquestes cites poden no estar 100% correctes.