Catholic Church. National Conference of Catholic Bishops. (1969). Statement on abortion: April 17, 1969. National Conference of Catholic Bishops.
Chicago-referens (17:e uppl.)Catholic Church. National Conference of Catholic Bishops. Statement on Abortion: April 17, 1969. [Washington, D.C.: National Conference of Catholic Bishops, 1969.
MLA-referens (8:e uppl.)Catholic Church. National Conference of Catholic Bishops. Statement on Abortion: April 17, 1969. National Conference of Catholic Bishops, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.