Chadwick, Owen.
John Cassian /

. - 2nd edition 
. - Cambridge : At the University Press,  1968 
. - viii, 170 p.  23 cm. 
<br/>К.: Бібліогр. : c. 163-164, Index 
<br/><label>  ISBN: </label>521 04607 6 
<br/><br/><label>Subjects--Personal Names: </label><br/>Cassian, John ca. 360-ca. 435