Gaya APA
Doyle, A, C.
(1999).
The Hound of the Baskervilles & The Valley of Fear
.
England:
Wordsorth Classics.
Gaya MLA
Doyle, Arthur, Conan.
"The Hound of the Baskervilles & The Valley of Fear".
England:
Wordsorth Classics,
1999.
Text.