Kumar, Krishan <br/><br/>
Reference service / 
Krishan Kumar. 
 - 5th rev. ed. 
 - New Delhi :  Vikas,  1996. 
 - x, 420 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>0706986423 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries).