Aaker, David A. <br/><br/>
Marketing research 
David A. Aaker, George S. Day. 
 - 4th ed. 
 - New York  John Wiley & Sons  1990. 
 - 739 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0471613517 
<br/><br/><label>LCCN: </label>89-37850 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research