APA (7e ed.) Bronvermelding

GOPAL M. (2007). CONTROL SYSTEMS: PRINCIPLES AND DESIGN (2ND ED.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Chicago (17e ed.) Bronvermelding

GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN. 2ND ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.

MLA (9e ed.) Bronvermelding

GOPAL M. CONTROL SYSTEMS: PRINCIPLES AND DESIGN. 2ND ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2007.