One yet two: monastic tradition, East and West : Orthodox-Cistercian Symposium, Oxford University, 26 August-1 September, 1973 /
edited by M. Basil Pennington 
. - Kalamazoo : Cistercian Publications,  1976 
. - 509 p.  22 cm. 
 - (Cistercian studies series  ; no. 29 )
<br/>К.: Бібліогр. в підрядк. прим. 
<br/><label>  ISBN: </label>0-87907-829-4