Doyle, S. A. C. (2002). Sherlock holmes and the Duke's son. Oxford: Oxford University Press.
Čikaški stil citiranjaDoyle, Sir Arthur Conan. Sherlock Holmes and the Duke's Son. Oxford: Oxford University Press, 2002.
MLA način citiranjaDoyle, Sir Arthur Conan. Sherlock Holmes and the Duke's Son. Oxford: Oxford University Press, 2002.
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