Fisher,Roger. (1991). Getting to yes: Negotiating agreement without giving in (NA.). RH Business Books.
Chicago-čujuhus (17. p.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. US: RH Business Books, 1991.
MLA-čujuhus (9. p.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. RH Business Books, 1991.
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