Schwab, V., & Barber, N. (2017). Broken ground (spirit animals: Fall of the beasts, book 2) (Unabridged.). Scholastic Audio Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchwab, Victoria, और Nicola Barber. Broken Ground (spirit Animals: Fall of the Beasts, Book 2). Unabridged. New York City: Scholastic Audio Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchwab, Victoria, और Nicola Barber. Broken Ground (spirit Animals: Fall of the Beasts, Book 2). Unabridged. Scholastic Audio Books, 2017.
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