Ferri, E. (1895). Criminal sociology. T. Fisher Unwin.
Lua i Stíl Chicago (17ú heag.)Ferri, Enrico. Criminal Sociology. London: T. Fisher Unwin, 1895.
Lua MLA (8ú heag.)Ferri, Enrico. Criminal Sociology. T. Fisher Unwin, 1895.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.