APA-čujuhus (7. p.)
Howard League for Penal Reform, ebrary, Inc, & Whitfield, D. (1991). The state of the prisons--200 years on. Routledge.
Chicago-čujuhus (17. p.)
Howard League for Penal Reform, Inc ebrary, juo Dick Whitfield. The State of the Prisons--200 Years on. London ; New York: Routledge, 1991.
MLA-čujuhus (9. p.)
Howard League for Penal Reform, et al. The State of the Prisons--200 Years on. Routledge, 1991.
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