Consultative selling the Hanan formula for high-margin sales at high levels / [electronic resource] :
Mack Hanan.
- 7th ed.
- New York : AMACOM, c2004.
- xxi, 250 p. : ill.
Includes index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.