Churchill, Gilbert A. <br/><br/>
Marketing research: methodological foundations 

 - 5th ed. 
 - Fort Worth  Dryden Press  1991 
 - xxxii,1070p, 24cm 
<br/><br/><label>ISBN: </label>0030314720 
<br/><br/><label>Dewey Class. No.: </label>658.83,  / D, chu