Keve, P. W. (1954). Prison, probation, or parole?: A probation officer reports. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Keve, Paul W. Prison, Probation, or Parole?: A Probation Officer Reports. Minneapolis: University of Minnesota Press, 1954.
Lua MLA (9ú heag.)Keve, Paul W. Prison, Probation, or Parole?: A Probation Officer Reports. University of Minnesota Press, 1954.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.