Sampson, G. (1985). Writing systems: A linguistic introduction. Hutchinson.
Chicago Style aipamenaSampson, Geoffrey. Writing Systems: A Linguistic Introduction. London: Hutchinson, 1985.
MLA aipamenaSampson, Geoffrey. Writing Systems: A Linguistic Introduction. Hutchinson, 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.