Reyes Guzmán, G., P. Hernández Victoria, and C. Moslares García. “Federal Expenditures on Security Vs. Homicides: The Costs of War Against Organized Crime in Mexico: 2006-2012”. Revista Mexicana De Opinión Pública, no. 18, Jan. 2015, pp. 93-111, doi:10.1016/S1870-7300(15)71362-1.