Keating, J. (1925). Catholics and the Problem of Peace with an introduction on the origin and programme of the Catholic Council for International relations by John Eppstein. Oxford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Keating, Joseph. Catholics and the Problem of Peace with an Introduction on the Origin and Programme of the Catholic Council for International Relations by John Eppstein. Oxford, 1925.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Keating, Joseph. Catholics and the Problem of Peace with an Introduction on the Origin and Programme of the Catholic Council for International Relations by John Eppstein. Oxford, 1925.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.