Pius IX, P. (1875). Syllabus for the people: A review of the propositions condemned by His Holiness Pope Pius IX, with a text of the condemned list. New York.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pius IX, Pope. Syllabus for the People: A Review of the Propositions Condemned by His Holiness Pope Pius IX, with a Text of the Condemned List. New York, 1875.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pius IX, Pope. Syllabus for the People: A Review of the Propositions Condemned by His Holiness Pope Pius IX, with a Text of the Condemned List. New York, 1875.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.