Hale, M. (2007). Historical linguistics. Wiley- Blackwell.
Chicago Style aipamenaHale, Mark. Historical Linguistics. UK: Wiley- Blackwell, 2007.
MLA aipamenaHale, Mark. Historical Linguistics. Wiley- Blackwell, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.