Catholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities & United States Catholic Conference. (1981). A Human Life Amendment: The time is now. National Conference of Catholic Bishops' Committee for Pro-Life Activities.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities और United States Catholic Conference. A Human Life Amendment: The Time Is Now. Washington, D.C.: National Conference of Catholic Bishops' Committee for Pro-Life Activities, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCatholic Church. National Conference of Catholic Bishops. Committee for Pro-Life Activities और United States Catholic Conference. A Human Life Amendment: The Time Is Now. National Conference of Catholic Bishops' Committee for Pro-Life Activities, 1981.