Vas, P. (1998). Sensorless vector and direct torque control. Oxford University.
Chicago-čujuhus (17. p.)Vas, Peter. Sensorless Vector and Direct Torque Control. Oxford: Oxford University, 1998.
MLA-čujuhus (9. p.)Vas, Peter. Sensorless Vector and Direct Torque Control. Oxford University, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.