Davidson, M., & Wu, N. (2005). Undead and unappreciated: Undead - betsy series, book 3 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavidson, MaryJanice, और Nancy Wu. Undead and Unappreciated: Undead - Betsy Series, Book 3. Unabridged. Prince Frederick: Recorded Books Inc., 2005.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavidson, MaryJanice, और Nancy Wu. Undead and Unappreciated: Undead - Betsy Series, Book 3. Unabridged. Recorded Books Inc., 2005.
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