Gaya APA

Doyle, S, A, C. (2019). Penelusuran Benang Merah (A Study In Scarlet) . Jakarta: PT. Gramedia Pustaka Utama.

Gaya MLA

Doyle, Sir, Arthur, Conan. "Penelusuran Benang Merah (A Study In Scarlet)". Jakarta: PT. Gramedia Pustaka Utama, 2019. Text.