Umbreit, M., & Armour, M. P. (2010). Restorative justice dialogue: An essential guide for research and practice (1a. ed.). Springer.

Umbreit, Mark, and Marilyn Peterson Armour. Restorative Justice Dialogue: An Essential Guide for Research and Practice. 1a. ed. Nueva York: Springer, 2010.

Umbreit, Mark, and Marilyn Peterson Armour. Restorative Justice Dialogue: An Essential Guide for Research and Practice. 1a. ed. Springer, 2010.