Hoyer, K. (2021). Blood and iron: The rise and fall of the German Empire, 1871-1918 (First Pegasus books cloth edition.). Pegasus Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHoyer, Katja. Blood and Iron: The Rise and Fall of the German Empire, 1871-1918. First Pegasus books cloth edition. New York: Pegasus Books, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHoyer, Katja. Blood and Iron: The Rise and Fall of the German Empire, 1871-1918. First Pegasus books cloth edition. Pegasus Books, 2021.
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