Catholic Church. National Conference of Catholic Bishops. Bishops' Commission for Ecumenical Affairs & National Catholic Welfare Conference. (1960). Interim guidelines for prayer in common and communicatio in sacris. National Catholic Welfare Conference.
Chicago (17e ed.) BronvermeldingCatholic Church. National Conference of Catholic Bishops. Bishops' Commission for Ecumenical Affairs en National Catholic Welfare Conference. Interim Guidelines for Prayer in Common and Communicatio in Sacris. [S.l.]: National Catholic Welfare Conference, 1960.
MLA (8e ed.) BronvermeldingCatholic Church. National Conference of Catholic Bishops. Bishops' Commission for Ecumenical Affairs en National Catholic Welfare Conference. Interim Guidelines for Prayer in Common and Communicatio in Sacris. National Catholic Welfare Conference, 1960.