Norwich, J. J. (2017). Four princes: Henry VIII, Francis I, Charles V, Suleiman the Magnificent and the obsessions that forged modern Europe (First Grove Atlantic hardcover edition.). Atlantic Monthly Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNorwich, John Julius. Four Princes: Henry VIII, Francis I, Charles V, Suleiman the Magnificent and the Obsessions That Forged Modern Europe. First Grove Atlantic hardcover edition. New York: Atlantic Monthly Press, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNorwich, John Julius. Four Princes: Henry VIII, Francis I, Charles V, Suleiman the Magnificent and the Obsessions That Forged Modern Europe. First Grove Atlantic hardcover edition. Atlantic Monthly Press, 2017.
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