Ury, W. (2002). Must we fight?: From the battlefield to the schoolyard, a new perspective on violent conflict and its prevention (1. ed.). Jossey-Bass.
Chicago-Zitierstil (17. Ausg.)Ury, William. Must We Fight?: From the Battlefield to the Schoolyard, a New Perspective on Violent Conflict and Its Prevention. 1. ed. San Francisco, Calif: Jossey-Bass, 2002.
MLA-Zitierstil (8. Ausg.)Ury, William. Must We Fight?: From the Battlefield to the Schoolyard, a New Perspective on Violent Conflict and Its Prevention. 1. ed. Jossey-Bass, 2002.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.