Croft, W. (2003). Typology and universals. Cambridge: Cambridge University Press.
Chicago Style aipamenaCroft, William. Typology and Universals. Cambridge: Cambridge University Press, 2003.
MLA aipamenaCroft, William. Typology and Universals. Cambridge: Cambridge University Press, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.