Cita APA (7a ed.)

Bolton, W. (2009). Programmable logic controllers (5th ed.). Newnes.

Cita Chicago Style (17a ed.)

Bolton, W. Programmable Logic Controllers. 5th ed. Amsterdam ; Boston: Newnes, 2009.

Cita MLA (8a ed.)

Bolton, W. Programmable Logic Controllers. 5th ed. Newnes, 2009.