Kenrick, F. P. (1842). Pastoral letter of the Bishop of Philadelphia: With the apostolic letter of Pope Gregory XVI, granting the jubilee indulgence, on occasion of prayers for the church in Spain. Philadelphia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kenrick, Francis Patrick. Pastoral Letter of the Bishop of Philadelphia: With the Apostolic Letter of Pope Gregory XVI, Granting the Jubilee Indulgence, on Occasion of Prayers for the Church in Spain. Philadelphia, 1842.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kenrick, Francis Patrick. Pastoral Letter of the Bishop of Philadelphia: With the Apostolic Letter of Pope Gregory XVI, Granting the Jubilee Indulgence, on Occasion of Prayers for the Church in Spain. Philadelphia, 1842.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.