Doyle, S. A. C., Bowler, B., & Scott, S. (2010). Sherlock Holmes: The blue Diamond. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Doyle, Sir Arthur Conan, Bill Bowler, agus Susan Scott. Sherlock Holmes: The Blue Diamond. Oxford: Oxford University Press, 2010.
Lua MLA (8ú heag.)Doyle, Sir Arthur Conan, et al. Sherlock Holmes: The Blue Diamond. Oxford University Press, 2010.
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