Statham, R., & Whitehead, P. (1992). Managing the probation service: Issues for the 1990s. Longman.
Dyfyniad Arddull ChicagoStatham, Roger, and Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Harlow, Essex, U.K.: Longman, 1992.
Dyfyniad MLAStatham, Roger, and Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Longman, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.