APA-referens (7:e uppl.)

Gayakwad, R. A. (1988). Analog and digital control systems. Prentice-Hall.

Chicago-referens (17:e uppl.)

Gayakwad, Ramakant A. Analog and Digital Control Systems. Englewood Cliffs, NJ: Prentice-Hall, 1988.

MLA-referens (9:e uppl.)

Gayakwad, Ramakant A. Analog and Digital Control Systems. Prentice-Hall, 1988.