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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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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