Fisher, Roger . Getting to yes : negotiating an agreement without giving in / by Roger fisher and William Ury . - 2nd Edition , - New Delhi : Random House Business Books, 1999. - xv, 207 p. : ill. ; 18 cm. ISBN: 9781844131464 Subjects--Topical Terms: Relationship Dewey Class. No.: 658.312 / FIS N99G