University for Peace. (2004). Peace and non-violent transformation on conflict: Study guide. University for Peace.
Cita Chicago (17th ed.)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. San José, Costa Rica: University for Peace, 2004.
Cita MLA (9th ed.)University for Peace. Peace and Non-violent Transformation on Conflict: Study Guide. University for Peace, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.