Reference and information services :  an introduction / 
general editors, Richard E. Bopp, Linda C. Smith 
 - 3rd ed. 
 - Englewood, Colo. :  Libraries Unlimited,  2001 
 - xxiv, 617 p. :  ill., maps ;  26 cm. 
 - Library and information science text series .
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>ISBN: </label>1563086247 (pbk.)  RM187.79 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>Information services