STUF - Language Typology and Universals. De Gruyter.
Chicago Style (17th ed.) ZitazioaSTUF - Language Typology and Universals. De Gruyter.
MLA (9th ed.) ZitazioaSTUF - Language Typology and Universals. De Gruyter.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.