Παραπομπή APA

Williams, J. E. H. (1970). The English penal system in transition. Butterworths.

Παραπομπή Chicago Style

Williams, J. E. Hall. The English Penal System in Transition. London: Butterworths, 1970.

Παραπομπή MLA

Williams, J. E. Hall. The English Penal System in Transition. Butterworths, 1970.