Lua APA (7ú heag.)

National Conference on Parole Washington, D.C., & Bell, M. (1957). Parole in principle and practice. National Probation and Parole Association.

Lua i Stíl Chicago (17ú heag.)

National Conference on Parole Washington, D.C., agus Marjorie Bell. Parole in Principle and Practice. New York: National Probation and Parole Association, 1957.

Lua MLA (8ú heag.)

National Conference on Parole Washington, D.C., agus Marjorie Bell. Parole in Principle and Practice. National Probation and Parole Association, 1957.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.