SPIRO, R. L. <br/><br/>
Management of a Sales Force 

 - 12th Ed. 
 - New York,  McGraw-Hill,  2008. 
 - xxiii, 584p., ill., figure,  Index, reference.  25cm. 
<br/><br/><label>ISBN: </label>978-007-125944-6 
<br/><br/><label>Dewey Class. No.: </label>658.810 SPI