Cita APA (7th ed.)
Gopal, M. (2008). Control systems: Principles and design (3rd ed.). Tata McGraw-Hill.
Cita Chicago (17th ed.)
Gopal, M. Control Systems: Principles and Design. 3rd ed. New Delhi: Tata McGraw-Hill, 2008.
Cita MLA (9th ed.)
Gopal, M. Control Systems: Principles and Design. 3rd ed. Tata McGraw-Hill, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.