Boyd Harper W. <br/><br/>
Marketing Research : Text And Cases / Harper W. Boyd Jr. Ralph Westfall Stanley F. Stasch. 

 - 7th ed. 
 -  New Delhi : Irwin 1989. 
 - XV 816 P. : ILL. 25 CM. 
 -  0 .
<br/><br/><br/>ENG 
<br/><br/><label>ISBN: </label>0256068135 ( Pbk ) .