Fisher, R., Ury, W., & Patton, B. (1991). Getting to yes: Negotiating agreement without giving in (Second edition.). Penguin Books.
Chicago-Zitierstil (17. Ausg.)Fisher, Roger, William Ury, und Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. New York, New York: Penguin Books, 1991.
MLA-Zitierstil (9. Ausg.)Fisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. Penguin Books, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.