Cita APA (7th ed.)

Electro-Craft Corporation USA. (1977). DC motors speed controls servo systems: An engineering handbook. Pergamon.

Cita Chicago (17th ed.)

Electro-Craft Corporation USA. DC Motors Speed Controls Servo Systems: An Engineering Handbook. Oxford: Pergamon, 1977.

Cita MLA (9th ed.)

Electro-Craft Corporation USA. DC Motors Speed Controls Servo Systems: An Engineering Handbook. Pergamon, 1977.