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Raising children network, in collaboration with, the Centre for Adolescent Health – Brain development: Teenagers 31 Ağustos 2018 tarihinde Wayback Machine sitesinde arşivlendi. Australian parenting website Accessed February 15, 2018
School Shooter: A Quick Reference Guide. United States. Federal Bureau of Investigation National Center for the Analysis of Violent Crimes (U.S.). Ocak 1969. 27 Mart 2019 tarihinde kaynağından arşivlendi. Erişim tarihi: 15 Eylül 2020.
Raising children network, in collaboration with, the Centre for Adolescent Health – Brain development: Teenagers 31 Ağustos 2018 tarihinde Wayback Machine sitesinde arşivlendi. Australian parenting website Accessed February 15, 2018