Cassell, Kay Ann. <br/><br/>
Reference and Information Service in the 21st Century :an introduction /  
by Kay Ann Cassell and Uma Hiremath. 
 - 2nd /   . 
 - New York :   Neal-Schuman Publishers,Inc ,   2009. 
 - 459p. :   figures ;   23cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>9781555706722  USD69.95 
<br/><br/><label>Subjects--Index Terms: </label>REFERENCE SERVICE 
<br/><br/><label>Dewey Class. No.: </label>025.524  / CAS/R