Não informado. (1929). Catholic Library World. Catholic Library Association.
Chicago-referens (17:e uppl.)Não informado. Catholic Library World. Haverford, Pa: Catholic Library Association, 1929.
MLA-referens (8:e uppl.)Não informado. Catholic Library World. Catholic Library Association, 1929.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.