Fisher, R., Ury, W., & Patton, B. (2012). Getting to Yes: Negotiating Agreement Without Giving In (Revised and Updated ed.). Random House Business Books.

Fisher, Roger, William Ury, and Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving In. Revised and Updated ed. London: Random House Business Books, 2012.

Fisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving In. Revised and Updated ed. Random House Business Books, 2012.