APA (7th ed.) Zitazioa

Bertolo, S. (2001). Language acquisition and learnability. Cambridge University.

Chicago Style (17th ed.) Zitazioa

Bertolo, Stefano. Language Acquisition and Learnability. Cambridge: Cambridge University, 2001.

MLA (9th ed.) Zitazioa

Bertolo, Stefano. Language Acquisition and Learnability. Cambridge University, 2001.