Bishops, C. C. i. B. (1916). Letter of the Bishops of Belgium to the Bishops of Germany Bavaria and Austria-Hungary. New York.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bishops, Catholic Church in Belgium. Letter of the Bishops of Belgium to the Bishops of Germany Bavaria and Austria-Hungary. New York, 1916.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Bishops, Catholic Church in Belgium. Letter of the Bishops of Belgium to the Bishops of Germany Bavaria and Austria-Hungary. New York, 1916.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.