Lewis, R. W. (2007). Programming industrial control systems using IEC 1131-3 (Revised Edition. Reprint with new Cover.). Inst. of Electrical Engineers.
Chicago-Zitierstil (17. Ausg.)Lewis, Robert W. Programming Industrial Control Systems Using IEC 1131-3. Revised Edition. Reprint with new Cover. London: Inst. of Electrical Engineers, 2007.
MLA-Zitierstil (9. Ausg.)Lewis, Robert W. Programming Industrial Control Systems Using IEC 1131-3. Revised Edition. Reprint with new Cover. Inst. of Electrical Engineers, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.