Barnett, M. (2022). The three billy goats gruff (Unabridged.). Scholastic Audio Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarnett, Mac. The Three Billy Goats Gruff. Unabridged. New York City: Scholastic Audio Books, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarnett, Mac. The Three Billy Goats Gruff. Unabridged. Scholastic Audio Books, 2022.
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