GOPAL M. (1997). CONTROL SYSTEMS PRINCIPLES & DESIGN. TATA MC-GRAW HILL PUBLISHING CO.LTD.
芝加哥风格引文GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1997.
MLA引文GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1997.
警告：这些引文格式不一定是100％准确.