Costigan, R. F. (2005). The consensus of the church and papal infallibility: A study in the background of Vatican I. Catholic University of America Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Costigan, Richard F. The Consensus of the Church and Papal Infallibility: A Study in the Background of Vatican I. Washington, D.C.: Catholic University of America Press, 2005.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Costigan, Richard F. The Consensus of the Church and Papal Infallibility: A Study in the Background of Vatican I. Catholic University of America Press, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.