APA (7th ed.) Zitazioa
ebrary, Inc, Gass, S. M., & Selinker, L. (1993). Language transfer in language learning (Rev. ed.). John Benjamins Pub. Co..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Susan M. Gass, eta Larry Selinker. Language Transfer in Language Learning. Rev. ed. Amsterdam ; Philadelphia: John Benjamins Pub. Co., 1993.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Language Transfer in Language Learning. Rev. ed. John Benjamins Pub. Co., 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.