Webb, J. W., & Reis, R. A. (1999). Programmable logic controllers: Principles and applications (4th ed.). Upper Saddle River, New Jersey: Prentice Hall.
Chicago Style CitationWebb, John W., and Ronald A. Reis. Programmable Logic Controllers: Principles and Applications. 4th ed. Upper Saddle River, New Jersey: Prentice Hall, 1999.
MLA CitationWebb, John W., and Ronald A. Reis. Programmable Logic Controllers: Principles and Applications. 4th ed. Upper Saddle River, New Jersey: Prentice Hall, 1999.
Warning: These citations may not always be 100% accurate.