Jacob, B. A., & Lefgren, L. (2003). Are Idle Hands the Devil's Workshop? Incapacitation, Concentration and Juvenile Crime. National Bureau of Economic Research. https://doi.org/10.3386/w9653
Cita Chicago Style (17a ed.)Jacob, Brian Aaron, y Lars Lefgren. Are Idle Hands the Devil's Workshop? Incapacitation, Concentration and Juvenile Crime. National Bureau of Economic Research, 2003. https://doi.org/10.3386/w9653.
Cita MLA (9a ed.)Jacob, Brian Aaron, y Lars Lefgren. Are Idle Hands the Devil's Workshop? Incapacitation, Concentration and Juvenile Crime. National Bureau of Economic Research, 2003. https://doi.org/10.3386/w9653.
Precaución: Estas citas no son 100% exactas.