Hobbs, R. (1990). VIOLENCE AND SAFETY.
Lua i Stíl Chicago (17ú heag.)Hobbs, R. VIOLENCE AND SAFETY. 1990.
Lua MLA (9ú heag.)Hobbs, R. VIOLENCE AND SAFETY. 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)