Lewis, R. W. (1998). Programming industrial control systems using IEC 1131-3 (Revised edition.). Institution of Engineering and Technology. https://doi.org/10.1049/PBCE050E
Chicago Style (17th ed.) CitationLewis, R. W. Programming Industrial Control Systems Using IEC 1131-3. Revised edition. London, United Kingdom: Institution of Engineering and Technology, 1998. https://doi.org/10.1049/PBCE050E.
MLA (9th ed.) CitationLewis, R. W. Programming Industrial Control Systems Using IEC 1131-3. Revised edition. Institution of Engineering and Technology, 1998. https://doi.org/10.1049/PBCE050E.
Warning: These citations may not always be 100% accurate.