GOPAL M. (2008). CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED (3RD ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-čujuhus (17. p.)GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED. 3RD ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
MLA-čujuhus (9. p.)GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN 3RD ED. 3RD ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
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