Roth, J. A., & Koper, C. S. (1999). Impacts of the 1994 assault weapons ban: 1994 - 96. US Department of Justice, Office of Justice Programs, National Institute of Justice.
Chicago-Zitierstil (17. Ausg.)Roth, Jeffrey A., und Christopher Sean Koper. Impacts of the 1994 Assault Weapons Ban: 1994 - 96. Washington, DC: US Department of Justice, Office of Justice Programs, National Institute of Justice, 1999.
MLA-Zitierstil (8. Ausg.)Roth, Jeffrey A., und Christopher Sean Koper. Impacts of the 1994 Assault Weapons Ban: 1994 - 96. US Department of Justice, Office of Justice Programs, National Institute of Justice, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.