Catholic Church. Pope (1939-1958 : Pius XII) & Pius XII, P. On function of state in the modern world: Encyclical letter of His Holiness Pope Pius XII. St. Paul Editions.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Catholic Church. Pope (1939-1958 : Pius XII) و Pope Pius XII. On Function of State in the Modern World: Encyclical Letter of His Holiness Pope Pius XII. Boston: St. Paul Editions.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Catholic Church. Pope (1939-1958 : Pius XII) و Pope Pius XII. On Function of State in the Modern World: Encyclical Letter of His Holiness Pope Pius XII. St. Paul Editions.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.