APA (7th ed.) Zitazioa
Laver, J. (1979). Voice quality: A classified research bibliography. J. Benjamins.
Chicago Style (17th ed.) Zitazioa
Laver, John. Voice Quality: A Classified Research Bibliography. Amsterdam: J. Benjamins, 1979.
MLA (9th ed.) Zitazioa
Laver, John. Voice Quality: A Classified Research Bibliography. J. Benjamins, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.