Katz, William A.,  1924- <br/><br/>
Introduction to reference work / 
W.A. Katz. 
 - 7th ed. 
 - New York :  McGraw-Hill,  1997. 
 - 2 v. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/> Basic information sources  Vol. 1(1997, xviii, 444p.) : 
<br/><br/><label>ISBN: </label>0-07-034277-6 (v. 1 : acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)<br/>Reference books--Bibliography.