Cita APA (7th ed.)

Hackworth,J R. (2004). Programmable Logic Controller: Programming Methods and Applications(with CD). Pearson Education.

Cita Chicago (17th ed.)

Hackworth,J R. Programmable Logic Controller: Programming Methods and Applications(with CD). New Delhi: Pearson Education, 2004.

Cita MLA (9th ed.)

Hackworth,J R. Programmable Logic Controller: Programming Methods and Applications(with CD). Pearson Education, 2004.