Getting to yes : negotiating an agreement without giving in /
Fisher, Roger,1922-
Ury, William.
London Century Business
1992, c1991
This ed. originally published London: Business Books, 1991. -Previous ed.: Boston, Mass.: Houghton Mifflin, 1981 ; London : Hutchinson, 1982.
Authors "Roger Fisher, William Ury & Bruce Patton" -Cover
Includes index