NORTON ROBERT L. (2012). MACHINE DESIGN (2ND ED.). PEARSON.
Chicago-čujuhus (17. p.)NORTON ROBERT L. MACHINE DESIGN. 2ND ED. INDIA: PEARSON, 2012.
MLA-čujuhus (9. p.)NORTON ROBERT L. MACHINE DESIGN. 2ND ED. PEARSON, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.