Ludwig, J. (1998). Concealed-gun-carrying laws and violent crime: Evidence from state panel data. Georgetown Univ. and Northwestern Univ.
Chicago-Zitierstil (17. Ausg.)Ludwig, Jens. Concealed-gun-carrying Laws and Violent Crime: Evidence from State Panel Data. Washington, DC: Georgetown Univ. and Northwestern Univ, 1998.
MLA-Zitierstil (9. Ausg.)Ludwig, Jens. Concealed-gun-carrying Laws and Violent Crime: Evidence from State Panel Data. Georgetown Univ. and Northwestern Univ, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.