APA (7th ed.) Zitazioa
ebrary, Inc, & Cook, V. (2003). Effects of the second language on the first. Multilingual Matters.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Vivian Cook. Effects of the Second Language on the First. Clevedon ; Buffalo: Multilingual Matters, 2003.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Vivian Cook. Effects of the Second Language on the First. Multilingual Matters, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.