Fisher, R., & Ury, W. (1991). Getting to yes: Negotiating an agreement without giving in (2. ed.). Century Business.
Chicago-Zitierstil (17. Ausg.)Fisher, Roger, und William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. 2. ed. London: Century Business, 1991.
MLA-Zitierstil (9. Ausg.)Fisher, Roger, und William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. 2. ed. Century Business, 1991.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.