Coward, Harold G.     Ed. <br/><br/>
Encyclopedia of Indian Philosophies:  Philosophy of the Grammarians 
Coward, Harold G.     Ed. 
 - Delhi  Motilal Banarsidass Publishers Private Limited  1990 
<br/><br/><label>ISBN: </label>81-208-0426-0 
<br/><br/><label>Source: </label>TB