Kertzer, D. I. (2018). The pope who would be king: The exile of Pius IX and the emergence of modern Europe (First edition.). Random House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKertzer, David I. The Pope Who Would Be King: The Exile of Pius IX and the Emergence of Modern Europe. First edition. New York: Random House, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKertzer, David I. The Pope Who Would Be King: The Exile of Pius IX and the Emergence of Modern Europe. First edition. Random House, 2018.
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