Leterman, Elmer G. <br/><br/>
Sales and sales management / 
by Elmer G. Leterman. 
 - New York :  Alexander Hamilton Institute,  1973. 
 - 269 p. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sales management.<br/>Salesman and salesmanship.