Gaya APA

Sage, A, P., III, C, C, W. (1977). OPTIMUM SYSTEMS CONTROL SECOND EDITION (Edisi 2). New Jersey: Prentice Hall International.

Gaya MLA

Sage, Andrew, P.., III, Chelsea, C., White,. "OPTIMUM SYSTEMS CONTROL SECOND EDITION". Edisi 2 New Jersey: Prentice Hall International, 1977. Text.