Colbourn, S., & Doyle, A. C. (2005). The hound of the Baskervilles: Elementary level. London: Macmillan Education.
Chicago Style aipamenaColbourn, Stephen., và Arthur Conan Doyle. The Hound of the Baskervilles: Elementary Level. London: Macmillan Education, 2005.
MLA aipamenaColbourn, Stephen., và Arthur Conan Doyle. The Hound of the Baskervilles: Elementary Level. London: Macmillan Education, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.