Springer, N. (2006). The case of the missing marquess: An Enola Holmes mystery. Philomel Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSpringer, Nancy. The Case of the Missing Marquess: An Enola Holmes Mystery. New York: Philomel Books, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSpringer, Nancy. The Case of the Missing Marquess: An Enola Holmes Mystery. Philomel Books, 2006.
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