Dyfyniad APA

Webb, J. W., & Reis, R. A. (2002). Programmable logic controllers: Principles and applications (5th ed.). Prentice-Hall of India.

Dyfyniad Arddull Chicago

Webb, John W., and Ronanld Ad Reis. Programmable Logic Controllers: Principles and Applications. 5th ed. New Delhi: Prentice-Hall of India, 2002.

Dyfyniad MLA

Webb, John W., and Ronanld Ad Reis. Programmable Logic Controllers: Principles and Applications. 5th ed. Prentice-Hall of India, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.