Citazione Stile APA (7a Edizione)

Ellis, R. (1985). Understanding second language acquisition. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Ellis, Rod. Understanding Second Language Acquisition. Oxford: Oxford University Press, 1985.

Citatione MLA (9a ed.)

Ellis, Rod. Understanding Second Language Acquisition. Oxford University Press, 1985.