GOPAL M. (2009). CONTROL SYSTEMS PRINCIPLES & DESIGN (3 ED.). TMH.
Chicago-čujuhus (17. p.)GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. 3 ED. NEW DELHI: TMH, 2009.
MLA-čujuhus (9. p.)GOPAL M. CONTROL SYSTEMS PRINCIPLES & DESIGN. 3 ED. TMH, 2009.
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