Chalfin, A., & McCrary, J. (2013). The Effect of Police on Crime: New Evidence from U.S. Cities, 1960-2010. National Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Chalfin, Aaron, und Justin McCrary. The Effect of Police on Crime: New Evidence from U.S. Cities, 1960-2010. National Bureau of Economic Research, 2013.
MLA-Zitierstil (9. Ausg.)Chalfin, Aaron, und Justin McCrary. The Effect of Police on Crime: New Evidence from U.S. Cities, 1960-2010. National Bureau of Economic Research, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
