Gaya APA

DORF, R, C., BISHOP, R, H. (2011). Modern control systems, twelfth edition (twelfth edition). New York: Pearson Education., Inc..

Gaya MLA

DORF, Richard, C.., BISHOP, Robert, H.. "Modern control systems, twelfth edition". twelfth edition New York: Pearson Education., Inc., 2011. Text.