Fisher, R., & Ury, W. (1991). Getting to yes: Negotiating an agreement without giving in (Completely revised new edition.). Business Books Limited.
Chicago Style (17. basım) AtıfFisher, Roger, ve William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. Completely revised new edition. London: Business Books Limited, 1991.
MLA (9th ed.) AtıfFisher, Roger, ve William Ury. Getting to Yes: Negotiating an Agreement Without Giving in. Completely revised new edition. Business Books Limited, 1991.
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