Murray, Jennifer L. (2017-04-01). “Mass Media Reporting and Enabling of Mass Shootings” (英語). Cultural Studies ↔ Critical Methodologies17 (2): 114–124. doi:10.1177/1532708616679144. ISSN1532-7086.
Vossekuil, Bryan (May 2002). “Safe School Initiative Final Report”. U.S. Secret Service and U.S. Department of Education. p. 26. June 13, 2007時点のオリジナルよりアーカイブ。April 26, 2007閲覧。
Vossekuil, Bryan (May 2002). “Safe School Initiative Final Report”. U.S. Secret Service and U.S. Department of Education. p. 26. June 13, 2007時点のオリジナルよりアーカイブ。April 26, 2007閲覧。
Murray, Jennifer L. (2017-04-01). “Mass Media Reporting and Enabling of Mass Shootings” (英語). Cultural Studies ↔ Critical Methodologies17 (2): 114–124. doi:10.1177/1532708616679144. ISSN1532-7086.