Kava, A., & Winton, G. (2015). Silent creed: Ryder creed series, book 2 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKava, Alex, और Graham Winton. Silent Creed: Ryder Creed Series, Book 2. Unabridged. Prince Frederick: Recorded Books Inc., 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKava, Alex, और Graham Winton. Silent Creed: Ryder Creed Series, Book 2. Unabridged. Recorded Books Inc., 2015.
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