Banks, M., & Berkeley, H. (2012). Whispers in the dark: Kgi series, book 4 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBanks, Maya, और Harry Berkeley. Whispers in the Dark: Kgi Series, Book 4. Unabridged. Prince Frederick: Recorded Books Inc., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBanks, Maya, और Harry Berkeley. Whispers in the Dark: Kgi Series, Book 4. Unabridged. Recorded Books Inc., 2012.
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