Citazione Stile APA (7a Edizione)

Nagrath, I. J., & Gopal, M. (1981). Control systems engineering (2a. ed.). Wiley Eastern.

Citazione stile Chigago Style (17a edizione)

Nagrath, I. J., e M. Gopal. Control Systems Engineering. 2a. ed. Nueva Delhi: Wiley Eastern, 1981.

Citatione MLA (9a ed.)

Nagrath, I. J., e M. Gopal. Control Systems Engineering. 2a. ed. Wiley Eastern, 1981.