Modificări

* Parry, Ken, ed.; Melling, David J., ed.; Brady, Dimitri, ed.; Griffith, Sidney Harrison, ed.; Healey, John F., ed. ''The Blackwell Dictionary of Eastern Christianity''. (ISBN 0631232036)

*[[http://www.oca.org/OCchapter.asp?SID=2&ID=26 Chapter on Church] in Protopresbyter Thomas Hopko's ''[http://www.oca.org/OCorthfaith.asp?SID=2 The Orthodox Faith]''