Boyd, Harper W. <br/><br/>
Marketing research  text and cases 
Harper W. Boyd, Ralph Westfall, Stanley F. Stasch 
 - 7th ed. 
 - Homewood, Ill.  Richard D. Irwin  1991 
 - 816 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0256068135 
<br/><br/><label>LCCN: </label>89-018573 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research<br/>Marketing research--Case studies