Catholic Association for International Peace (U.S.). Europe Committee. (1931). Europe and the United States: Elements in their relationship. Catholic Association for International Peace.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCatholic Association for International Peace (U.S.). Europe Committee. Europe and the United States: Elements in Their Relationship. Washington, D.C.: Catholic Association for International Peace, 1931.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCatholic Association for International Peace (U.S.). Europe Committee. Europe and the United States: Elements in Their Relationship. Catholic Association for International Peace, 1931.
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