APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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