National Conference on Parole Washington, D.C., & Bell, M. (1957). Parole in principle and practice. National Probation and Parole Association.
Chicagoスタイル(17版)引用形式National Conference on Parole Washington, D.C., , Marjorie Bell. Parole in Principle and Practice. New York: National Probation and Parole Association, 1957.
MLA(8版)引用形式National Conference on Parole Washington, D.C., , Marjorie Bell. Parole in Principle and Practice. National Probation and Parole Association, 1957.
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