Langan, P. A. (1991). Race of prisoners admitted to state and federal institutions, 1926 - 86. U.S. Department of Justice.
Chicago-Zitierstil (17. Ausg.)Langan, Patrick A. Race of Prisoners Admitted to State and Federal Institutions, 1926 - 86. Washington, DC: U.S. Department of Justice, 1991.
MLA-Zitierstil (9. Ausg.)Langan, Patrick A. Race of Prisoners Admitted to State and Federal Institutions, 1926 - 86. U.S. Department of Justice, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.