CLAYTON, A. (1990). THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -.
Chicago-čujuhus (17. p.)CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -: -, 1990.
MLA-čujuhus (9. p.)CLAYTON, A.E. THE PERFORMANCE & DESIGN OF DIRECT CURRENT MACHINES. -, 1990.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.