Koper, C. S., & Roth, J. A. (2001). The Impact of the 1994 Federal Assault Weapon Ban on Gun Violence Outcomes: An Assessment of Multiple Outcome Measures and Some Lessons for Policy Evaluation. Journal of quantitative criminology, 17(1), 33-74. doi:10.1023/A:1007522431219
Cita Chicago Style (17a ed.)Koper, Christopher S., y Jeffrey A. Roth. "The Impact of the 1994 Federal Assault Weapon Ban on Gun Violence Outcomes: An Assessment of Multiple Outcome Measures and Some Lessons for Policy Evaluation." Journal of Quantitative Criminology 17, no. 1 (2001): 33-74. https://doi.org/10.1023/A:1007522431219.
Cita MLA (9a ed.)Koper, Christopher S., y Jeffrey A. Roth. "The Impact of the 1994 Federal Assault Weapon Ban on Gun Violence Outcomes: An Assessment of Multiple Outcome Measures and Some Lessons for Policy Evaluation." Journal of Quantitative Criminology, vol. 17, no. 1, 2001, pp. 33-74, https://doi.org/10.1023/A:1007522431219.