APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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