Cita APA (7th ed.)

GOPAL M. (1997). CONTROL SYSTEMS PRINCIPLES & DESIGN. TATA MC-GRAW HILL PUBLISHING CO.LTD.

Cita Chicago (17th ed.)

GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1997.

Cita MLA (9th ed.)

GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1997.