Παραπομπή APA

Fisher, R., Ury, W., & Patton, B. (1981). Getting to yes: Negotiating agreement without giving in. London: Hutchinson Business.

Παραπομπή Chicago Style

Fisher, Roger, William Ury, and Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving in. London: Hutchinson Business, 1981.

Παραπομπή MLA

Fisher, Roger, William Ury, and Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving in. London: Hutchinson Business, 1981.

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