
Negotiation
2003
ISBN 9780072429657
Essentials of negotiation
2006
ISBN 9780073102764
Mastering Business Negotiation
2006
ISBN 9780787980993
Research on Negotiation in Organizations
1994
ISBN 9781559385558
Research on Negotiation in Organization
1995
ISBN 9781559389280
Essentials of Negotiation (McGraw-Hill International Editions
2001
ISBN 9780071181242