Gaya APA
Doyle, S, A, C. (2019).
Sherlock Holmes The Valley Of Fear
Lembah Ketakutan .
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Doyle, Sir, Arthur, Conan.
"Sherlock Holmes The Valley Of Fear
Lembah Ketakutan".
Jakarta:
PT Gramedia Pustaka Utama,
2019.
Text.