Cita APA (7a ed.)

Virk, G. S. (1991). Digital computer control systems. MacMillan.

Cita Chicago Style (17a ed.)

Virk, G. S. Digital Computer Control Systems. Basingstoke [etc.]: MacMillan, 1991.

Cita MLA (9a ed.)

Virk, G. S. Digital Computer Control Systems. MacMillan, 1991.