Dyfyniad APA

Ellis, R. (2015). Understanding second language acquisition. New York: Oxford University Pres.

Dyfyniad Arddull Chicago

Ellis, Rod. Understanding Second Language Acquisition. New York: Oxford University Pres, 2015.

Dyfyniad MLA

Ellis, Rod. Understanding Second Language Acquisition. New York: Oxford University Pres, 2015.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.