Ellis, R. (2015). Understanding second language acquisition (Second edition.). Oxford University Press.
Cita Chicago (17th ed.)Ellis, Rod. Understanding Second Language Acquisition. Second edition. Oxford: Oxford University Press, 2015.
Cita MLA (8th ed.)Ellis, Rod. Understanding Second Language Acquisition. Second edition. Oxford University Press, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.