Thornton, R. L. (2003). New approaches to staff safety (2. ed.). US Department of Justice, National Institute of Corrections.
Chicago-Zitierstil (17. Ausg.)Thornton, Robert L. New Approaches to Staff Safety. 2. ed. Washington, DC: US Department of Justice, National Institute of Corrections, 2003.
MLA-Zitierstil (8. Ausg.)Thornton, Robert L. New Approaches to Staff Safety. 2. ed. US Department of Justice, National Institute of Corrections, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.