Fisher,Roger. (1991). Getting to yes: Negotiating agreement without giving in (NA.). RH Business Books.
Style de citation Chicago (17e éd.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. US: RH Business Books, 1991.
Style de citation MLA (9e éd.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. RH Business Books, 1991.
Attention : ces citations peuvent ne pas être correctes à 100%.