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.
Chicago-viite (17. p.)Pius XII, Pope, ja 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.
MLA-viite (8. p.)Pius XII, Pope, ja 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.
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