Statham, R., & Whitehead, P. (1992). Managing the probation service: Issues for the 1990s. Longman.
Chicago-viite (17. p.)Statham, Roger, ja Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Harlow, Essex, U.K.: Longman, 1992.
MLA-viite (8. p.)Statham, Roger, ja Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Longman, 1992.
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