Electro-Craft Corporation USA. (1977). DC motors speed controls servo systems: An engineering handbook. Pergamon.
Chicago Style (17. basım) AtıfElectro-Craft Corporation USA. DC Motors Speed Controls Servo Systems: An Engineering Handbook. Oxford: Pergamon, 1977.
MLA (9th ed.) AtıfElectro-Craft Corporation USA. DC Motors Speed Controls Servo Systems: An Engineering Handbook. Pergamon, 1977.
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