Getting to yes : negotiating agreement without giving in / by Roger Fisher a. William Ury ; ed. Bruce Patton. - [N.Y.] : Penguin Books, [1983]. - xiii, 161 p. ; 20 cm.см.. - (A Penguin Book : business). - ISBN 0-14-006534-2[MFN: 32257]
On and off the record : colosi on negotiation / by Thomas R. Colosi. - 2nd ed.. - [N.Y.] : American Arbitration Assoc., [2001]. - xv, 121 p. : fig. ; 23 cm.см.. - Bibliogr.: p. 113-121. - ISBN 0-943001-55-2[MFN: 33021]