Ellis, R. (2015). Understanding second language acquisition (Second edition.). Oxford University Press.
Čikaški stil citiranja (17. izdanje)Ellis, Rod. Understanding Second Language Acquisition. Second edition. Oxford: Oxford University Press, 2015.
MLA način citiranja (8. izdanje)Ellis, Rod. Understanding Second Language Acquisition. Second edition. Oxford University Press, 2015.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.