Catholic Church. Archdiocese of Dubuque (Iowa) & Loras, M. (1843). Pastoral Letter. s.n..
Chicago Style aipamenaCatholic Church. Archdiocese of Dubuque (Iowa) and Mathias Loras. Pastoral Letter. [Dubuque: s.n., 1843.
MLA aipamenaCatholic Church. Archdiocese of Dubuque (Iowa) and Mathias Loras. Pastoral Letter. s.n., 1843.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.