Gaya APA

Zartman, W., Rasmussen, I, W, Z, A, J, L. (2007). Peacemaking in international conflict : methods and techniques (-). Washington, D.C: United States Institute of Peace.

Gaya MLA

Zartman, William., Rasmussen, I., William, Zartman, And, J., Lewis. "Peacemaking in international conflict : methods and techniques". - Washington, D.C: United States Institute of Peace, 2007. Text.