O'Connor, R. F., & Richelieu, A. J. d. P. (1912). His grey eminence: The true "Friar Joseph" of Bulwer Lytton's "Richelieu" : a historical study of the Capuchin, père Joseph Frano̜is Le Clerc du Tremblay. Dolphin Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)O'Connor, Robert Francis, و Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Philadelphia: Dolphin Press, 1912.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)O'Connor, Robert Francis, و Armand Jean du Plessis Richelieu. His Grey Eminence: The True "Friar Joseph" of Bulwer Lytton's "Richelieu" : A Historical Study of the Capuchin, Père Joseph Frano̜is Le Clerc Du Tremblay. Dolphin Press, 1912.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.