Fisher, R., Ury, W., & Patton, B. (1991). Getting to yes: Negotiating agreement without giving in (Second edition.). Penguin Books.
Lua i Stíl Chicago (17ú heag.)Fisher, Roger, William Ury, agus Bruce Patton. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. New York, New York: Penguin Books, 1991.
Lua MLA (9ú heag.)Fisher, Roger, et al. Getting to Yes: Negotiating Agreement Without Giving in. Second edition. Penguin Books, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.