Παραπομπή σε μορφή APA (7η εκδ.)

Crispin, A. J. (1997). Programmable logic controllers and their engineering applications (2nd edition.). The McGraw-Hill Companies.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Crispin, Alan J. Programmable Logic Controllers and Their Engineering Applications. 2nd edition. London: The McGraw-Hill Companies, 1997.

Παραπομπή σε μορφή MLA (8th εκδ.)

Crispin, Alan J. Programmable Logic Controllers and Their Engineering Applications. 2nd edition. The McGraw-Hill Companies, 1997.