APA

SAGE A. P., .OPTIMUM SYSTEMS CONTROL. NEW JERSEY: PRENTICE-HALL.

Chicago

SAGE ANDREW P, .OPTIMUM SYSTEMS CONTROL. NEW JERSEY: PRENTICE-HALL.

Harvard

SAGE A. P., .OPTIMUM SYSTEMS CONTROL. NEW JERSEY: PRENTICE-HALL.

MLA

SAGE ANDREW P, .NEW JERSEY: PRENTICE-HALL. .