Langan, P. A. (1988). Historical statistics on prisoners in state and federal institutions, yearend 1925-86. United States Department of Justice, Bureau of Justice Statistics.
Chicago-Zitierstil (17. Ausg.)Langan, Patrick A. Historical Statistics on Prisoners in State and Federal Institutions, Yearend 1925-86. [Erscheinungsort nicht ermittelbar]: United States Department of Justice, Bureau of Justice Statistics, 1988.
MLA-Zitierstil (9. Ausg.)Langan, Patrick A. Historical Statistics on Prisoners in State and Federal Institutions, Yearend 1925-86. United States Department of Justice, Bureau of Justice Statistics, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
