Conan Doyle, A., & Tull, P. (1986). The adventures of sherlock holmes: Sherlock holmes mysteries series, book 3 (Unabridged.). Recorded Books Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConan Doyle, Arthur, और Patrick Tull. The Adventures of Sherlock Holmes: Sherlock Holmes Mysteries Series, Book 3. Unabridged. Prince Frederick: Recorded Books Inc., 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रConan Doyle, Arthur, और Patrick Tull. The Adventures of Sherlock Holmes: Sherlock Holmes Mysteries Series, Book 3. Unabridged. Recorded Books Inc., 1986.
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