Dyfyniad APA

(1989). Linguistic perspectives on second language acquisition. Cambridge: Cambridge University Press.

Dyfyniad Arddull Chicago

Linguistic Perspectives On Second Language Acquisition. Cambridge: Cambridge University Press, 1989.

Dyfyniad MLA

Linguistic Perspectives On Second Language Acquisition. Cambridge: Cambridge University Press, 1989.

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