Getting to yes : negotiating agreement without giving in
Fisher, Roger 1922-.
Getting to yes : negotiating agreement without giving in /
Roger Fisher and William Ury ; Bruce Patton, editor
. - 2nd edition
. - New York : Penguin Books, 1991
. - xix, 200 p. tabl. 22 cm.
0-14-015735-2
0-14-015735-2