Harris, R. J. (2021). A study in crimson: Sherlock Holmes 1942 (First Pegasus books cloth edition.). Pegasus Crime.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarris, Robert J. A Study in Crimson: Sherlock Holmes 1942. First Pegasus books cloth edition. New York: Pegasus Crime, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarris, Robert J. A Study in Crimson: Sherlock Holmes 1942. First Pegasus books cloth edition. Pegasus Crime, 2021.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.