Hagen, W. W. (1980). Germans, Poles, and Jews: The nationality conflict in the Prussian East, 1772-1914. The Univ. of Chicago Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHagen, William W. Germans, Poles, and Jews: The Nationality Conflict in the Prussian East, 1772-1914. Chicago [u.a.]: The Univ. of Chicago Press, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHagen, William W. Germans, Poles, and Jews: The Nationality Conflict in the Prussian East, 1772-1914. The Univ. of Chicago Press, 1980.
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