Howell, L. (1982). Acting In Faith: The World Council of Churches since 1975. World Council of Churches.
Chicago-referens (17:e uppl.)Howell, Leon. Acting In Faith: The World Council of Churches Since 1975. World Council of Churches, 1982.
MLA-referens (8:e uppl.)Howell, Leon. Acting In Faith: The World Council of Churches Since 1975. World Council of Churches, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.