Catholic Church. Pope & Schaefer, M. C. (1936). A papal peace mosaic, 1878-1936: Excerpts from the messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. The Paulist Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic Church. Pope و Mary Catherine Schaefer. A Papal Peace Mosaic, 1878-1936: Excerpts from the Messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. New York: The Paulist Press, 1936.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic Church. Pope و Mary Catherine Schaefer. A Papal Peace Mosaic, 1878-1936: Excerpts from the Messages of Popes Leo XIII, Pius X, Benedict XV and Pius XI. The Paulist Press, 1936.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.