Cita APA (7th ed.)
Webb, J. W., & Reis, R. A. (2003). Programmable logic controllers: Principles and applications (5th ed.). Prentice Hall of India.
Cita Chicago (17th ed.)
Webb, John W., i Ronald A. Reis. Programmable Logic Controllers: Principles and Applications. 5th ed. New Delhi: Prentice Hall of India, 2003.
Cita MLA (9th ed.)
Webb, John W., i Ronald A. Reis. Programmable Logic Controllers: Principles and Applications. 5th ed. Prentice Hall of India, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.