GOPAL M. (2008). CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED (3RD ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Cita Chicago (17th ed.)GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED. 3RD ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
Cita MLA (9th ed.)GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED. 3RD ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.