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.
Cita Chicago Style (17a ed.)Catholic Church. National Conference of Catholic Bishops. Bishops' Commission for Ecumenical Affairs y National Catholic Welfare Conference. Interim Guidelines for Prayer in Common and Communicatio in Sacris. [S.l.]: National Catholic Welfare Conference, 1960.
Cita MLA (8a ed.)Catholic Church. National Conference of Catholic Bishops. Bishops' Commission for Ecumenical Affairs y National Catholic Welfare Conference. Interim Guidelines for Prayer in Common and Communicatio in Sacris. National Catholic Welfare Conference, 1960.