Cita APA (7th ed.)

Phillips, C. L. (1991). Feedback control systems (2nd ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Phillips, Charles L. Feedback Control Systems. 2nd ed. Englewood Cliffs: Prentice-Hall, 1991.

Cita MLA (9th ed.)

Phillips, Charles L. Feedback Control Systems. 2nd ed. Prentice-Hall, 1991.