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