Goldman, Alfred E. <br/><br/>
The group depth interview :  principles and practice / 
Alfred E. Goldman & Susan Schwartz McDonald. 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1987. 
 - x, 197 p. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>013365396X 
<br/><br/><label>LCCN: </label>86-22571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Interviewing in marketing research.