Cita APA (7th ed.)
Nagrath, I. J., & Gopal, M. (2002). Control systems engineering (3rd ed.). New Age International.
Cita Chicago (17th ed.)
Nagrath, I. J., i M. Gopal. Control Systems Engineering. 3rd ed. Calcutta: New Age International, 2002.
Cita MLA (9th ed.)
Nagrath, I. J., i M. Gopal. Control Systems Engineering. 3rd ed. New Age International, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.