Fisher Roger. Getting to Yes: Negotiating an agreement without giving in (2ND.). Random House.
Dyfyniad Arddull ChicagoFisher Roger. Getting to Yes: Negotiating an Agreement Without Giving in. 2ND. US: Random House.
Dyfyniad MLAFisher Roger. Getting to Yes: Negotiating an Agreement Without Giving in. 2ND. Random House.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.