Fisher, R., Ury, W., & Patton, B. (1991). Getting to yes: Negotiating agreement without giving in (Second edition.). Penguin Books.
Citace podle Chicago (17th ed.)Fisher, Roger, William Ury, a Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. New York, New York: Penguin Books, 1991.
Citace podle MLA (9th ed.)Fisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. Penguin Books, 1991.
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