D'Azzo, J. J., & Houpis, C. H. (1966). Feedback control system analysis and synthesis (2a. ed.). McGraw-Hill Kogakusha.
Cita Chicago (17th ed.)D'Azzo, John Joachim, i Constantine H. Houpis. Feedback Control System Analysis and Synthesis. 2a. ed. Tokio: McGraw-Hill Kogakusha, 1966.
Cita MLA (9th ed.)D'Azzo, John Joachim, i Constantine H. Houpis. Feedback Control System Analysis and Synthesis. 2a. ed. McGraw-Hill Kogakusha, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.