Bopp, Richard E. (Editor) <br/><br/>
Reference and information services: An introduction 

 - 3rd Edition 
 - Englewood  Libraries Unlimited  2005 
 - xxiv, 617p. 
<br/><br/><label>ISBN: </label> RS 1450.00 
<br/><br/><label>Source: </label> RS 1450.00 
<br/><br/><label>Dewey Class. No.: </label>025.52 REF