Reference and information services :  an introduction / 
edited by Richard E. Bopp and Linda C. Smith 
 - 4th ed. 
 - Califonia. :  Libraries Unlimited,  c2011. 
 - xxiii, 743 p. :  ill. ;  26 cm. 
 - Library and information science text series .
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9781591583653  
<br/><br/><label>Source: </label>B-36151 
<br/><br/><label>LCCN: </label>2011008550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>Information services.
<br/><br/><label>LC Class. No.: </label>Z711.2  / .R443 2011 
<br/><br/><label>Dewey Class. No.: </label>025.5/2