Παραπομπή σε μορφή APA (7η εκδ.)

Wells, P. S. (2001). The barbarians speak: How the conquered peoples shaped Roman Europe. Princeton University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wells, Peter S. The Barbarians Speak: How the Conquered Peoples Shaped Roman Europe. Princeton, N.J.: Princeton University Press, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wells, Peter S. The Barbarians Speak: How the Conquered Peoples Shaped Roman Europe. Princeton University Press, 2001.