Lua APA (7ú heag.)
Doyle, A. C. The Sign of the Four and The Memoirs of Sherlock Holmes.
Lua i Stíl Chicago (17ú heag.)Doyle, A. C. The Sign of the Four and The Memoirs of Sherlock Holmes.
Lua MLA (8ú heag.)Doyle, A. C. The Sign of the Four and The Memoirs of Sherlock Holmes.
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