Bradshaw, Paul F..
Daily prayer in the early Church: a study of the origin and early development of the divine office /
Paul F. Bradshaw 
. - New York : Oxford University Press,  1982 
. - x, 191 p.  20 cm. 
<br/>К.: Бібліогр. : c. 176-178 
<br/><label>  ISBN: </label>0-19-520395-X