APA (7th ed.) Zitazioa
Bomhard, A. R. (1984). Toward Proto-Nostratic: A new approach to the comparison of Proto-Indo-European and Proto-Afroasiatic. J. Benjamins.
Chicago Style (17th ed.) Zitazioa
Bomhard, Allan R. Toward Proto-Nostratic: A New Approach to the Comparison of Proto-Indo-European and Proto-Afroasiatic. Amsterdam ; Philadelphia: J. Benjamins, 1984.
MLA (9th ed.) Zitazioa
Bomhard, Allan R. Toward Proto-Nostratic: A New Approach to the Comparison of Proto-Indo-European and Proto-Afroasiatic. J. Benjamins, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.