Fisher, R. (1991). Getting to Yes. Randm House Business Books.
Chicago (17e ed.) BronvermeldingFisher, Roger. Getting to Yes. London: Randm House Business Books, 1991.
MLA (9e ed.) BronvermeldingFisher, Roger. Getting to Yes. Randm House Business Books, 1991.
Let op: Deze citaties zijn niet altijd 100% accuraat.