DISTEFANO, J. J. (1976). Schaum's Outline Series Theory And Problems Of Feedback And Control Systems S1(metric). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)DISTEFANO, Joseph J. Schaum's Outline Series Theory And Problems Of Feedback And Control Systems S1(metric). McGraw-Hill, 1976.
Lua MLA (8ú heag.)DISTEFANO, Joseph J. Schaum's Outline Series Theory And Problems Of Feedback And Control Systems S1(metric). McGraw-Hill, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.