APA (7th ed.) Zitazioa

Ellis, R. (1985). Understaning second lannguage acquisition. Univ. pr..

Chicago Style (17th ed.) Zitazioa

Ellis, Rod. Understaning Second Lannguage Acquisition. Oxfod: Univ. pr., 1985.

MLA (9th ed.) Zitazioa

Ellis, Rod. Understaning Second Lannguage Acquisition. Univ. pr., 1985.