USA Bureau of Prisons. (1972). National prisoner statistics: State prisoners : admissions and releases. Department of Justice.
Chicago-Zitierstil (17. Ausg.)USA Bureau of Prisons. National Prisoner Statistics: State Prisoners : Admissions and Releases. Washington, DC: Department of Justice, 1972.
MLA-Zitierstil (9. Ausg.)USA Bureau of Prisons. National Prisoner Statistics: State Prisoners : Admissions and Releases. Department of Justice, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.