Dyfyniad APA
Ellis, R. (1994). The study of second language acquisition. OUP.
Dyfyniad Arddull Chicago
Ellis, Rod. The Study of Second Language Acquisition. New York: OUP, 1994.
Dyfyniad MLA
Ellis, Rod. The Study of Second Language Acquisition. OUP, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.