Pius XII, P., & Roosevelt, F. D. (1940). Foundations for peace: Correspondence between His Holiness Pope Pius XII and President Roosevelt, and the address on Easter Sunday, 1940. Catholic Truth Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pius XII, Pope, و Franklin D. Roosevelt. Foundations for Peace: Correspondence Between His Holiness Pope Pius XII and President Roosevelt, and the Address on Easter Sunday, 1940. London: Catholic Truth Society, 1940.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Pius XII, Pope, و Franklin D. Roosevelt. Foundations for Peace: Correspondence Between His Holiness Pope Pius XII and President Roosevelt, and the Address on Easter Sunday, 1940. Catholic Truth Society, 1940.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.