Churchill Gilbert A.  <br/><br/>
Marketing research Methodological Foundations / 
Gilbert, Churchill, Jr.  
 - 5th ed. 
 - Chigago :  The Dryden Press,  1983. 
 - 756 p. : 
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>303060608 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research
<br/><br/><label>LC Class. No.: </label>HF 5415.2 .C5 1991