Pius XII, P. (1952). The cause of peace: An address of His Holiness Pope Pius XII to the World Union of Catholic Women's Organizations April 14, 1952. National Council of Catholic Women.
Chicago-viite (17. p.)Pius XII, Pope. The Cause of Peace: An Address of His Holiness Pope Pius XII to the World Union of Catholic Women's Organizations April 14, 1952. Washington: National Council of Catholic Women, 1952.
MLA-viite (8. p.)Pius XII, Pope. The Cause of Peace: An Address of His Holiness Pope Pius XII to the World Union of Catholic Women's Organizations April 14, 1952. National Council of Catholic Women, 1952.
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