Tull, Donald S. <br/><br/>
Marketing research, measurement and method :  a text with cases ? / 
Donald S. Tull, Del I. Hawkins. 
 - 3rd ed. 
 - New York :  Macmillan,  c1984. 
 - xvii, 796 p. :  ill. 
<br/><br/><label>ISBN: </label>0024217808. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research--Case studies.<br/>Marketing research.