Hull, E. R. (1902). What the Catholic Church is and what she teaches: A short guide for inquiring protestants. Catholic Truth Society.
Chicago-referens (17:e uppl.)Hull, Ernest Reginald. What the Catholic Church Is and What She Teaches: A Short Guide for Inquiring Protestants. [London: Catholic Truth Society, 1902.
MLA-referens (8:e uppl.)Hull, Ernest Reginald. What the Catholic Church Is and What She Teaches: A Short Guide for Inquiring Protestants. Catholic Truth Society, 1902.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.