Electro-Craft Corporation, & Electro-Craft Corporation. (1977). DC motors speed controls servo system: An engineering handbook. -- (3. edition --.). New York, New York: Pergamon.
Chicago Style CitationElectro-Craft Corporation, and Electro-Craft Corporation. DC Motors Speed Controls Servo System: An Engineering Handbook. --. 3. edition --. New York, New York: Pergamon, 1977.
MLA CitationElectro-Craft Corporation, and Electro-Craft Corporation. DC Motors Speed Controls Servo System: An Engineering Handbook. --. 3. edition --. New York, New York: Pergamon, 1977.
Warning: These citations may not always be 100% accurate.