Butler, T. F. (1890). The principle of authority: Churches and pastors, the Church, its authority. Catholic Truth Society of America.
Chicago-referens (17:e uppl.)Butler, Thomas F. The Principle of Authority: Churches and Pastors, the Church, Its Authority. St. Paul, Minn.: Catholic Truth Society of America, 1890.
MLA-referens (8:e uppl.)Butler, Thomas F. The Principle of Authority: Churches and Pastors, the Church, Its Authority. Catholic Truth Society of America, 1890.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.