Katz William A. Rosenzweig  James  E. <br/><br/>
Introduction to Reference Work 

 - 6th ed. 
 - New York  McGraw - Hill  1992 
<br/><br/><label>ISBN: </label>0070336385 
<br/><br/><label>Subjects--Topical Terms: </label><br/>”REFERENCE SERVICES(LIBRARIES)”
<br/><br/><label>LC Class. No.: </label>Z711  / K19I 1992