Chryssavgis, John.
Ascent to Heaven: the theology of the human person according to Saint John of the Ladder /
John Chryssavgis 
. - Brookline : Holy Cross Orthodox Press,  1989 
. - viii, 269 p.  23 cm. 
<br/>К.: Бібліогр. : c. 266, Indices 
<br/><label>  ISBN: </label>0-917651-57-X 
<br/><br/><label>Subjects--Personal Names: </label><br/>John Climacus, Saint  6th cent.