APA-čujuhus (7. p.)
Nagrath, I. J., & Gopal, M. (2002). Control systems engineering (3rd ed.). New Age International.
Chicago-čujuhus (17. p.)
Nagrath, I. J., juo M. Gopal. Control Systems Engineering. 3rd ed. Calcutta: New Age International, 2002.
MLA-čujuhus (9. p.)
Nagrath, I. J., juo M. Gopal. Control Systems Engineering. 3rd ed. New Age International, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.