Cita APA (7th ed.)
Hackworth, J. R., & Hackworth, F. D. (2004). Programmable logic controllers: Programming methods and applications. Pearson Education.
Cita Chicago (17th ed.)
Hackworth, John R., i Frederick D. Hackworth. Programmable Logic Controllers: Programming Methods and Applications. Delhi: Pearson Education, 2004.
Cita MLA (9th ed.)
Hackworth, John R., i Frederick D. Hackworth. Programmable Logic Controllers: Programming Methods and Applications. Pearson Education, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.