Catholic Educational Exhibit, World's Columbian Exposition, Chicago. The Catholic University of America, American Catholic History Research Center and University Archives.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic Educational Exhibit, World's Columbian Exposition, Chicago. The Catholic University of America, American Catholic History Research Center and University Archives.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic Educational Exhibit, World's Columbian Exposition, Chicago. The Catholic University of America, American Catholic History Research Center and University Archives.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.