Encyclopedia of Library and Information Science, First Update Supplement 
Miriam Drake, Editor. 
 - 2nd ed. 
 -  Taylor & Francis Group LLC,  2005 
 - 429 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-8493-3894-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science.
<br/><br/><label>Dewey Class. No.: </label>020.3 En56 2005