Parr, E. A. (2003). Programmable controllers: An engineer's guide (3rd ed.). Boston: Newnes.
Chicago Style CitationParr, E. A. Programmable Controllers: An Engineer's Guide. 3rd ed. Boston: Newnes, 2003.
MLA CitationParr, E. A. Programmable Controllers: An Engineer's Guide. 3rd ed. Boston: Newnes, 2003.
Warning: These citations may not always be 100% accurate.