Waddell, T. (1830). Letters to the Editors of the Catholic Miscellany Illustrating the Papal Doctrine of Intention: The Opus Operatum: Roman Infallibility and the Knavery of Popish Writers. New York.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Waddell, Thomas. Letters to the Editors of the Catholic Miscellany Illustrating the Papal Doctrine of Intention: The Opus Operatum: Roman Infallibility and the Knavery of Popish Writers. New York, 1830.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Waddell, Thomas. Letters to the Editors of the Catholic Miscellany Illustrating the Papal Doctrine of Intention: The Opus Operatum: Roman Infallibility and the Knavery of Popish Writers. New York, 1830.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.