Vas, P. (1998). Sensorless vector and direct torque control. Oxford University.
Lua i Stíl Chicago (17ú heag.)Vas, Peter. Sensorless Vector and Direct Torque Control. Oxford: Oxford University, 1998.
Lua MLA (9ú heag.)Vas, Peter. Sensorless Vector and Direct Torque Control. Oxford University, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.