APA-referens

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

Chicago-stil citat

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

MLA-referens

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