Armstrong, A. H..
An introduction to ancient philosophy /
by A.H. Armstrong 
. - [s. l.] : Littlefield, Adams Quality Paperback,  1989 
. - xviii, 242 p.  21 cm. 
<br/>К.: Бібліогр. : c. 226-230, Index 
<br/><label>  ISBN: </label>0-8226-0418-3