Donohue, J. F. (1931). The impediment of crime: An historical synopsis and commentary. Catholic University of America.
Lua i Stíl Chicago (17ú heag.)Donohue, John Francis. The Impediment of Crime: An Historical Synopsis and Commentary. Washington, D.C.: Catholic University of America, 1931.
Lua MLA (8ú heag.)Donohue, John Francis. The Impediment of Crime: An Historical Synopsis and Commentary. Catholic University of America, 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.