Pereltsvaig, A. (2017). Languages of the world. Cambridge University Press.
Chicago Style aipamenaPereltsvaig, Asya. Languages of the World. UK: Cambridge University Press, 2017.
MLA aipamenaPereltsvaig, Asya. Languages of the World. Cambridge University Press, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.