University of Notre Dame. Library. Department of Special Collections, Noll, J. F., Pursley, L. A., Sheen, F. J., O'Brien, J. A., & Lord, D. A. (1801). [Catholic Pamphlet Collection: Pamphlets in theology, philosophy, sociology, education and other subjects common in the teaching of the Roman Catholic Church.]. Dept. of Special Collections, Theodore M. Hesburgh Library, University of Notre Dame.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Notre Dame. Library. Department of Special Collections, John Francis Noll, Leo A. Pursley, Fulton J. Sheen, John A. O'Brien, و Daniel A. Lord. [Catholic Pamphlet Collection: Pamphlets in Theology, Philosophy, Sociology, Education and Other Subjects Common in the Teaching of the Roman Catholic Church.]. [Notre Dame, Ind.: Dept. of Special Collections, Theodore M. Hesburgh Library, University of Notre Dame, 1801.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Notre Dame. Library. Department of Special Collections, et al. [Catholic Pamphlet Collection: Pamphlets in Theology, Philosophy, Sociology, Education and Other Subjects Common in the Teaching of the Roman Catholic Church.]. Dept. of Special Collections, Theodore M. Hesburgh Library, University of Notre Dame, 1801.