Reference and information services  an introduction 
Richard E. Bopp and Linda C. Smith, editors. 
 - 4th ed. 
 - Santa Barbara, Calif.  Libraries Unlimited  2011. 
 - xxiii, 743 p.  26 cm. 
 - Library and information science text series .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>9781591583653 (hardcover : acid-free paper) 9781591583745 (pbk. : acid-free paper) 9781598848175 (ebk.) 
<br/><br/><label>LCCN: </label>2011008550 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services<br/>Reference services (Libraries)
<br/><br/><label>LC Class. No.: </label>Z711  / .R443 2011 
<br/><br/><label>Dewey Class. No.: </label>025.52  / R3323 2011