Johnston, Mark W. <br/><br/>
Churchill / Ford / Walker's Sales force management / 
Mark W. Johnston, Greg W. Marshall. 
 - 7th ed. 
 - Boston :  McGraw-Hill Irwin,  2003. 
 - xx, 603 p. : ill. 
 - McGraw-Hill / Irwin series in marketing .
<br/><br/> Includes bibliographic references and indices 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales management