Freeman, D., & Davis, V. (2018). Corduroy audiobook collection: Corduroy / corduroy lost and found / corduroy takes a bow (Unabridged.). Listening Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreeman, Don, और Viola Davis. Corduroy Audiobook Collection: Corduroy / Corduroy Lost and Found / Corduroy Takes a Bow. Unabridged. New York: Listening Library, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFreeman, Don, और Viola Davis. Corduroy Audiobook Collection: Corduroy / Corduroy Lost and Found / Corduroy Takes a Bow. Unabridged. Listening Library, 2018.
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