Reference and information services : an introduction 
general editors, Richard E. Bopp, Linda C. Smith 
 - 3rd ed 
 - Englewood, Colo  Libraries Unlimited  c2001 
 - xxiv, 617 p. : ill., maps ; 26 cm 
<br/><br/> Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9781563086243 
<br/><br/><label>ISSN: </label>2001267851 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information services<br/>Reference services (Libraries)
<br/><br/><label>Dewey Class. No.: </label>025.52 BOP