Gaya APA
Doyle, S, A, C.
(2011).
The SIGN of FOUR
(
cet2)
.
Jakarta:
PT. DIAN RAKYAT.
Gaya MLA
Doyle, Sir, Arthur, Conan.
"The SIGN of FOUR".
cet2
Jakarta:
PT. DIAN RAKYAT,
2011.
Text.