Marks, Ronald B. <br/><br/>
Personal selling :  an interactive approach / 
by Ronald B. Marks. 
 - 2nd ed. 
 - Boston, MA :  Allyn and Bacon,  1985. 
 - ix, 565 p. : 
<br/><br/><label>ISBN: </label>0205083749 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Selling.<br/>Selling--Psychological aspects.<br/>Selling--Vocational guidance.