ebrary, Inc, & Moore, M. H. (2003). Deadly lessons: Understanding lethal school violence : case studies of School Violence Committee. National Academy Press.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Mark Harrison Moore. Deadly Lessons: Understanding Lethal School Violence : Case Studies of School Violence Committee. Washington, DC: National Academy Press, 2003.
Lua MLA (9ú heag.)ebrary, Inc, agus Mark Harrison Moore. Deadly Lessons: Understanding Lethal School Violence : Case Studies of School Violence Committee. National Academy Press, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.