Παραπομπή σε μορφή APA (7η εκδ.)

Barker, V. (2009). The politics of imprisonment: How the democratic process shapes the way America punishes offenders. Oxford University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barker, Vanessa. The Politics of Imprisonment: How the Democratic Process Shapes the Way America Punishes Offenders. Oxford ; New York: Oxford University Press, 2009.

Παραπομπή σε μορφή MLA (9th εκδ.)

Barker, Vanessa. The Politics of Imprisonment: How the Democratic Process Shapes the Way America Punishes Offenders. Oxford University Press, 2009.