John XXIII, P. (1962). Letter to women religious. National Catholic Welfare Conference.
Chicago-referens (17:e uppl.)John XXIII, Pope. Letter to Women Religious. Washington: National Catholic Welfare Conference, 1962.
MLA-referens (8:e uppl.)John XXIII, Pope. Letter to Women Religious. National Catholic Welfare Conference, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.