Robson, M. S. (2005). Language in theory. Routledge.
Chicago Style aipamenaRobson, Mark Stockwell. Language in Theory. USA: Routledge, 2005.
MLA aipamenaRobson, Mark Stockwell. Language in Theory. Routledge, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.