Fisher, R. (1983). Getting to yes: Negotiating agreement without giving in. New York, N.Y: Penguin Books.
Trích dẫn kiểu ChicagoFisher, Roger. Getting to Yes: Negotiating Agreement Without Giving in. New York, N.Y: Penguin Books, 1983.
MLA citiranjeFisher, Roger. Getting to Yes: Negotiating Agreement Without Giving in. New York, N.Y: Penguin Books, 1983.
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