Gaya APA

Doyle, S, A, C. (2021). Sherlock Holmes : Misteri Tanda Empat The Sign Of Four . yogyakarta: Laksana.

Gaya MLA

Doyle, Sir, Arthur, Conan. "Sherlock Holmes : Misteri Tanda Empat The Sign Of Four". yogyakarta: Laksana, 2021. Text.