Hudson, B. A. (1993). Penal policy and social justice. Macmillan.
Lua i Stíl Chicago (17ú heag.)Hudson, Barbara A. Penal Policy and Social Justice. Houndmills: Macmillan, 1993.
Lua MLA (9ú heag.)Hudson, Barbara A. Penal Policy and Social Justice. Macmillan, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.