Purcell, J. B. (1859). What Is Truth? A Sermon Preached by the Most Rev. Archbishop Purcell at the Consecration of a Church and the Ordination of Clergymen. Cincinnati.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Purcell, John Baptist. What Is Truth? A Sermon Preached by the Most Rev. Archbishop Purcell at the Consecration of a Church and the Ordination of Clergymen. Cincinnati, 1859.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Purcell, John Baptist. What Is Truth? A Sermon Preached by the Most Rev. Archbishop Purcell at the Consecration of a Church and the Ordination of Clergymen. Cincinnati, 1859.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.