McCafferty, K., & Holmes, R. (2012). The royal wulff murders: Sean stranahan mysteries series, book 1 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCafferty, Keith, और Rick Holmes. The Royal Wulff Murders: Sean Stranahan Mysteries Series, Book 1. Unabridged. Prince Frederick: Recorded Books Inc., 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMcCafferty, Keith, और Rick Holmes. The Royal Wulff Murders: Sean Stranahan Mysteries Series, Book 1. Unabridged. Recorded Books Inc., 2012.
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