Wenzel, R. J. (1982). Computer programs for machine design. H.W. Sams.
Cita Chicago (17th ed.)Wenzel, Robert J. Computer Programs for Machine Design. Indianapolis, Ind., USA: H.W. Sams, 1982.
Cita MLA (8th ed.)Wenzel, Robert J. Computer Programs for Machine Design. H.W. Sams, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.