Boyd, Harper W <br/><br/>
Marketing research 
text and cases / Harper W. Boyd, Jr., Ralph Westfall, Stanley F. Stasch 
 - 4th ed. 
 - Ill  R. D. Irwin : Homewood  1977 
 - xii, 692 p. : ill. ; 24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0256018383 
<br/><br/><label>LCCN: </label>76-028885 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research