Burton, S.W. Akiskal, H.S. <br/><br/>
Dysthymic Disorder. 

 - 1st, Ed. 
 - London :  Gaskell, Royal College.  1990. 
 - xiii,130 p. 
<br/><br/><label>ISBN: </label>0902241338 
<br/><br/><label>Dewey Class. No.: </label>500  / BUR