Παραπομπή σε μορφή APA (7η εκδ.)

Sigfried, S. (1996). Understanding object-oriented software engineering. The Institute of Electrical and Electronic Engineers.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sigfried, Stefan. Understanding Object-oriented Software Engineering. New York: The Institute of Electrical and Electronic Engineers, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sigfried, Stefan. Understanding Object-oriented Software Engineering. The Institute of Electrical and Electronic Engineers, 1996.