(1969). Accident analysis and prevention. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Accident Analysis and Prevention. Oxford ; New York: Pergamon Press, 1969.
Lua MLA (8ú heag.)Accident Analysis and Prevention. Pergamon Press, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.