Gaya APA
Doyle, S, A, C. (2010).
Sherlock Holmes: The Sign of Four Misteri "Tanda Empat" Harta Karun Agra .
Yogyakarta:
Penerbit Narasi.
Gaya MLA
Doyle, Sir, Arthur, Conan.
"Sherlock Holmes: The Sign of Four Misteri "Tanda Empat" Harta Karun Agra".
Yogyakarta:
Penerbit Narasi,
2010.
Text.