Cita APA (7th ed.)

Fisher,Roger. (1991). Getting to yes: Negotiating agreement without giving in (NA.). RH Business Books.

Cita Chicago (17th ed.)

Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. US: RH Business Books, 1991.

Cita MLA (9th ed.)

Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. RH Business Books, 1991.