FIS. (1981). Getting to yes: Negotiating an agreement without giving in (NA.). rh business Books.
Chicago Style (17. basım) AtıfFIS. Getting to Yes: Negotiating an Agreement Without Giving in. NA. UK: rh business Books, 1981.
MLA (9th ed.) AtıfFIS. Getting to Yes: Negotiating an Agreement Without Giving in. NA. rh business Books, 1981.
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