Statham, R., & Whitehead, P. (1992). Managing the probation service: Issues for the 1990s. Longman.
Citazione stile Chigago Style (17a edizione)Statham, Roger, e Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Harlow, Essex, U.K.: Longman, 1992.
Citatione MLA (8a ed.)Statham, Roger, e Philip Whitehead. Managing the Probation Service: Issues for the 1990s. Longman, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.