Pettrey, D., & Moore, C. (2014). Silenced: Alaskan courage series, book 4 (Unabridged.). Recorded Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPettrey, Dani, और Christina Moore. Silenced: Alaskan Courage Series, Book 4. Unabridged. Prince Frederick: Recorded Books, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPettrey, Dani, और Christina Moore. Silenced: Alaskan Courage Series, Book 4. Unabridged. Recorded Books, 2014.
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