Parsons, A. J. (1939). Canonical elections: An historical synopsis and commentary. Catholic University of America.
Chicago-referens (17:e uppl.)Parsons, Anscar John. Canonical Elections: An Historical Synopsis and Commentary. Washington: Catholic University of America, 1939.
MLA-referens (8:e uppl.)Parsons, Anscar John. Canonical Elections: An Historical Synopsis and Commentary. Catholic University of America, 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.