Ostler, C. (2021). The Duchess Countess: The woman who scandalized eighteenth-century London (First Atria Books hardcover edition.). Atria Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOstler, Catherine. The Duchess Countess: The Woman Who Scandalized Eighteenth-century London. First Atria Books hardcover edition. New York: Atria Books, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOstler, Catherine. The Duchess Countess: The Woman Who Scandalized Eighteenth-century London. First Atria Books hardcover edition. Atria Books, 2021.
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