Lua APA (7ú heag.)
Gravett, S. (2000). Drugs in prison: A practitioners guide to penal policy and practice in Her Majesty's Prison Service. Continuum.
Lua i Stíl Chicago (17ú heag.)
Gravett, Steve. Drugs in Prison: A Practitioners Guide to Penal Policy and Practice in Her Majesty's Prison Service. London ; New York: Continuum, 2000.
Lua MLA (9ú heag.)
Gravett, Steve. Drugs in Prison: A Practitioners Guide to Penal Policy and Practice in Her Majesty's Prison Service. Continuum, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.