Katz, William A. <br/><br/>
Introduction to Reference Work  Reference Services and Reference Process 
/ by William A. Katz 
 - New York:  Mcgraw-Hill Book Company;  1974. 
 - 274p. 
<br/><br/><label>ISBN: </label>0-07-033354-8 
<br/><br/><label>Dewey Class. No.: </label>025.52  / KAT/I