Gaya APA
Doyle, S, A, C.
(2018).
SHERLOCK HOLMES rnTHE VALLEY OF FEAR
.
Yogyakarta:
Shira Media.
Gaya MLA
Doyle, SIR, Arthur, Conan.
"SHERLOCK HOLMES rnTHE VALLEY OF FEAR".
Yogyakarta:
Shira Media,
2018.
Buku Penunjang.