Thomas, Diana M  . <br/><br/>
The effective reference librarian /  
Diana M. Thomas and ... etal . 
 - New York :   Academic Press ,   1981. 
 - 214p. :   ills ;   23cm .  
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0126887209  USD 21.50 
<br/><br/><label>Subjects--Index Terms: </label>REFERENCE SERVICE 
<br/><br/><label>Dewey Class. No.: </label>020.52  / THO/E