Barker, V. (2009). The politics of imprisonment: How the democratic process shapes the way America punishes offenders. Oxford University Press.
Chicago-viite (17. p.)Barker, Vanessa. The Politics of Imprisonment: How the Democratic Process Shapes the Way America Punishes Offenders. Oxford ; New York: Oxford University Press, 2009.
MLA-viite (9. p.)Barker, Vanessa. The Politics of Imprisonment: How the Democratic Process Shapes the Way America Punishes Offenders. Oxford University Press, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.