Tull D S <br/><br/>
Marketing research: Measurement and method 
Tull D S; Hawking D I 
 - New Delhi  New Delhi, Prentica Hall  1993 
 - xviii,863+44. 
<br/><br/><label>ISBN: </label>81-203-0961-8 
<br/><br/><label>Source: </label>Textbook