Catholic University of America, Mary Charlotte, S., Mary Brendan, S., & Mary Synon. (1952). A book of fortitude: A collection of the prose and poetry which has been part of the building of America. Ginn for the Catholic University of America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic University of America, Sister Mary Charlotte, Sister Mary Brendan, و Mary Synon. A Book of Fortitude: A Collection of the Prose and Poetry Which Has Been Part of the Building of America. Boston: Ginn for the Catholic University of America, 1952.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic University of America, et al. A Book of Fortitude: A Collection of the Prose and Poetry Which Has Been Part of the Building of America. Ginn for the Catholic University of America, 1952.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.