(1989). Technician's guide to programmable controllers / Richard A. Cox.
Cita Chicago (17th ed.)Technician's Guide to Programmable Controllers / Richard A. Cox. 1989.
Cita MLA (9th ed.)Technician's Guide to Programmable Controllers / Richard A. Cox. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.