Παραπομπή σε μορφή APA (7η εκδ.)

Crispin Alan J. (1997). Programmable logic controllers and their engineering applications (2nd ed.). McGraw-Hill.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (8th εκδ.)

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