Doyle, S. A. C. (2022). Sherlock Holmes: The Sign of Four. Indoliterasi Group.
Chicago Style (17th ed.) CitationDoyle, Sir Arthur Conan. Sherlock Holmes: The Sign of Four. Indoliterasi Group, 2022.
MLA (8th ed.) CitationDoyle, Sir Arthur Conan. Sherlock Holmes: The Sign of Four. Indoliterasi Group, 2022.
Warning: These citations may not always be 100% accurate.