Gaya APA

DOYLE, S, A, C. (2018). SHERLOCK HOLMES : THE SIGN OF THE FOUR (CET. 5). SLEMAN: SHIRA MEDIA.

Gaya MLA

DOYLE, SIR, ARTHUR, CONAN. "SHERLOCK HOLMES : THE SIGN OF THE FOUR". CET. 5 SLEMAN: SHIRA MEDIA, 2018. Text.