Tull, Donald S. <br/><br/>
Marketing research : measurement and method :  a text with cases / 
by Donald S. Tull and Del I. Hawkins. 
 - 4th ed. 
 - New York, N.Y. :  MacMillan,  1987. 
 - xvi, 845 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>002421910X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing research.<br/>Marketing research--Case studies.