Reference and information services :  an introduction / 
Richard E. Bopp and Linda C. Smith, editors. 
 - 4th ed. 
 - Santa Barbara, Calif. :  Libraries Unlimited,  c2011. 
 - xxiii, 743 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><br/>eng. 
<br/><br/><label>ISBN: </label>9781591583653   TZs 46222.49 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>Information services.
<br/><br/><label>Dewey Class. No.: </label>025.52 REF