Symes-Smith, E., & Martineck, D. (2022). Sir callie and the champions of helston (Unabridged.). Listening Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSymes-Smith, Esme, और Dani Martineck. Sir Callie and the Champions of Helston. Unabridged. New York: Listening Library, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSymes-Smith, Esme, और Dani Martineck. Sir Callie and the Champions of Helston. Unabridged. Listening Library, 2022.
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