Fisher, R., Ury, W., & Patton, B. (2012). Getting to Yes: Negotiating Agreement Without Giving In (Revised and Updated ed.). Random House Business Books.
Dyfyniad Arddull ChicagoFisher, Roger, William Ury, and Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving In. Revised and Updated ed. London: Random House Business Books, 2012.
Dyfyniad MLAFisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving In. Revised and Updated ed. Random House Business Books, 2012.
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