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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
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