Cita APA (7th ed.)
Bolton,W. Programmable logic controllers / Bolton,W: Elsiver 4th ed (4th ed.).
Cita Chicago (17th ed.)
Bolton,W. Programmable Logic Controllers / Bolton,W: Elsiver 4th Ed. 4th ed.
Cita MLA (9th ed.)
Bolton,W. Programmable Logic Controllers / Bolton,W: Elsiver 4th Ed. 4th ed.
Atenció: Aquestes cites poden no estar 100% correctes.