Cita APA (7a ed.)

Bolton, W. (2009). Programmable logic controllers (Sixth edition.). Newnes.

Cita Chicago Style (17a ed.)

Bolton, William. Programmable Logic Controllers. Sixth edition. Amsterdam: Newnes, 2009.

Cita MLA (9a ed.)

Bolton, William. Programmable Logic Controllers. Sixth edition. Newnes, 2009.