Katz, William A.  <br/><br/>
Introduction to reference work :   basic information services. Volume I / 
Wiliam A. Katz  
 - Seventh Edition  
 - xviii, 444 p. ;   24 cm.  
 - Introduction to reference works  v.1  .
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>0-07-034277-6 (v. 1). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries). <br/>Reference books--Bibliography. 
<br/><br/><label>Dewey Class. No.: </label>025.52