FIS. (1981). Getting to yes: Negotiating an agreement without giving in (NA.). rh business Books.
Cita Chicago (17th ed.)FIS. Getting to Yes: Negotiating an Agreement Without Giving in. NA. UK: rh business Books, 1981.
Cita MLA (9th ed.)FIS. Getting to Yes: Negotiating an Agreement Without Giving in. NA. rh business Books, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.