Gaya APA
Doyle, A, C.
(2023).
Sherlock Holmes : The Sign Of The Four
(
cet. 7)
.
Jakarta:
PT Gramedia Pustaka Utama.
Gaya MLA
Doyle, Arthur, Conan.
"Sherlock Holmes : The Sign Of The Four".
cet. 7
Jakarta:
PT Gramedia Pustaka Utama,
2023.
Text.