Marketing research 
David J. Luck ... et al. 
 - 6th ed 
 - Englewood Cliffs, N.J.  Prentice-Hall  1982 
 - xviii, 616 p. ill. 24 cm 
<br/><br/>Includes indexes Bibliography: p. 591-599 
<br/><br/><label>LCCN: </label>81-21085 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research