1. Aggestam, K., & Björkdahl, A. (2009). Introduction: War and peace in transition. In K. Aggestam & A. Björkdahl (Eds.), War and peace in transition: Changing roles of external actors (pp. 15–31). Lund: Nordic Academic Press.
2. Alert 2016! Report on conflicts, human rights and peacebuilding. Barcelona/Icaria: Escola de Cultura de Pau.
3. Bercovitch, J. (2002). Introduction. Putting mediation in context. In J. Bercovitch (Ed.), Studies in international mediation. New York: Palgrave Macmillan.
4. Bercovitch, J. (2007). Mediation in international conflicts: Theory, practice and developments. In I. William Zartman (Ed.), Peacemaking in international conflict: Methods and techniques, revised edition. Washington, DC: United States Institute of Peace Press.
5. Bercovitch, J., & Gartner, S. S. (2008). New approaches, methods and findings in the study of mediation. In International conflict mediation: New approaches and findings (Security and conflict management). London: Routledge.