Gaya APA

Doyle, S, A, C. (2008). Sherlock Holmes and the Duke's Son: Oxford Bookworms Library: Stage 1 . New York: Oxford University Press.

Gaya MLA

Doyle, Sir, Arthur, Conan. "Sherlock Holmes and the Duke's Son: Oxford Bookworms Library: Stage 1". New York: Oxford University Press, 2008. Karya Cetak.