Fisher, R., & Ury, W. (1992). Getting to yes: Negotiating an agreement without giving in (2η έκδ.). London: Random House.
Chicago Style CitationFisher, Roger, and William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. 2η έκδ. London: Random House, 1992.
MLA CitationFisher, Roger, and William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. 2η έκδ. London: Random House, 1992.
Warning: These citations may not always be 100% accurate.