APA (7th ed.) Zitazioa

van Maas. Thresholds of Listening. Fordham University Press.

Chicago Style (17th ed.) Zitazioa

van Maas. Thresholds of Listening. Fordham University Press.

MLA (9th ed.) Zitazioa

van Maas. Thresholds of Listening. Fordham University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.