Hull, E. R. (1925). What the Catholic Church is and what she teaches. New York.
Chicago-referens (17:e uppl.)Hull, Ernest Reginald. What the Catholic Church Is and What She Teaches. New York, 1925.
MLA-referens (8:e uppl.)Hull, Ernest Reginald. What the Catholic Church Is and What She Teaches. New York, 1925.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.