Spalding, M. J. (1870). Pastoral letter of the Most Rev. M. J. Spalding, D.D., Archbishop of Baltimore, to the clergy and laity of the Archdiocese, on the papal infallibility, written in Rome, July 19, 1870. Kelly, Piet and company.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spalding, M. J. Pastoral Letter of the Most Rev. M. J. Spalding, D.D., Archbishop of Baltimore, to the Clergy and Laity of the Archdiocese, on the Papal Infallibility, Written in Rome, July 19, 1870. Baltimore: Kelly, Piet and company, 1870.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Spalding, M. J. Pastoral Letter of the Most Rev. M. J. Spalding, D.D., Archbishop of Baltimore, to the Clergy and Laity of the Archdiocese, on the Papal Infallibility, Written in Rome, July 19, 1870. Kelly, Piet and company, 1870.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.