Fisher, R. (1983). Getting to yes: Negotiating agreement without giving in. New York, N.Y: Penguin Books.
Παραπομπή Chicago StyleFisher, Roger. Getting to Yes: Negotiating Agreement Without Giving in. New York, N.Y: Penguin Books, 1983.
Παραπομπή MLAFisher, Roger. Getting to Yes: Negotiating Agreement Without Giving in. New York, N.Y: Penguin Books, 1983.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.