1. Add Health. (2014).Add Health Wave IV documentation: Cause of death National Death Index file (27034‐0004). In Restricted‐Use Dataset Descriptions & Codebooks. Retrieved July 2 2015 fromhttp://www.cpc.unc.edu/projects/addhealth/data/restricteduse/datasets.
2. Close range: Adolescent predictors of adult firearms ownership in the United States;Cretacci M. A.;International Journal of Criminal Justice Sciences,2017
3. Prospective Predictors of Premature Death: Evidence from the National Longitudinal Study of Adolescent Health
4. Giffords Law Center to Prevent Gun Violence website. Retrieved October 12 2018 fromhttp://lawcenter.giffords.org/gun-laws/policy-areas/who-can-have-a-gun/minimum-age/
5. Gun Ownership as a Risk Factor for Homicide in the Home