APA (7th ed.) Zitazioa
ebrary, Inc, & Hammarberg, B. (2009). Processes in third language acquisition. Edinburgh University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Björn Hammarberg. Processes in Third Language Acquisition. Edinburgh: Edinburgh University Press, 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Björn Hammarberg. Processes in Third Language Acquisition. Edinburgh University Press, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.