Catholic Church. Pope, 1922-1939 (Pius XI). (1931). Pius XI on Christian marriage: In the original Latin with English translation. Barry Vail Corp..
Dyfyniad Arddull ChicagoCatholic Church. Pope, 1922-1939 (Pius XI). Pius XI on Christian Marriage: In the Original Latin with English Translation. New York: Barry Vail Corp., 1931.
Dyfyniad MLACatholic Church. Pope, 1922-1939 (Pius XI). Pius XI on Christian Marriage: In the Original Latin with English Translation. Barry Vail Corp., 1931.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.