Fisher Roger. Getting to Yes: Negotiating an agreement without giving in (2ND.). Random House.
Lua i Stíl Chicago (17ú heag.)Fisher Roger. Getting to Yes: Negotiating an Agreement Without Giving in. 2ND. US: Random House.
Lua MLA (9ú heag.)Fisher Roger. Getting to Yes: Negotiating an Agreement Without Giving in. 2ND. Random House.
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