Fisher,Roger. (1991). Getting to yes: Negotiating agreement without giving in (NA.). RH Business Books.
Цитирование в стиле Чикаго (17-е изд.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. US: RH Business Books, 1991.
Цитирование MLA (9-е изд.)Fisher,Roger. Getting to Yes: Negotiating Agreement Without Giving in. NA. RH Business Books, 1991.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.