APA (7th ed.) Zitazioa
ebrary, Inc, & Leung, Y. I. (2009). Third language acquisition and universal grammar. Multilingual Matters.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Yan-kit Ingrid Leung. Third Language Acquisition and Universal Grammar. Bristol, UK ; Buffalo, NY: Multilingual Matters, 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Yan-kit Ingrid Leung. Third Language Acquisition and Universal Grammar. Multilingual Matters, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.