University for Peace. (2004). Peace and non-violent transformation on conflict: Study guide. University for Peace.
Citazione stile Chigago Style (17a edizione)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. San José, Costa Rica: University for Peace, 2004.
Citatione MLA (9a ed.)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. University for Peace, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.