Penrose, A. (2019). Murder at Kensington Palace (First Kensington hardcover edition.). Kensington Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPenrose, Andrea. Murder at Kensington Palace. First Kensington hardcover edition. New York, NY: Kensington Books, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPenrose, Andrea. Murder at Kensington Palace. First Kensington hardcover edition. Kensington Books, 2019.
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