Thomas, Diana M. <br/><br/>
The effective reference librarian / 
by Diana M. Thomas, Ann T. Hinckley, Elizabeth R. Eisenbach 
 - New York :  Academic Press,  1981 
 - 214 p. :  24 cm. 
<br/><br/><label>ISBN: </label>0126887209 
<br/><br/><label>LCCN: </label>81-001037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)