Gibbons, J. Pastoral letter of the archbishops and bishops of the United States to the clergy and laity of their charge.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States to the Clergy and Laity of Their Charge.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gibbons, James. Pastoral Letter of the Archbishops and Bishops of the United States to the Clergy and Laity of Their Charge.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.