Dyfyniad APA

Journal of Speech, Language, and Hearing Research. Cambridge University Press.

Dyfyniad Arddull Chicago

Journal of Speech, Language, and Hearing Research. Cambridge University Press.

Dyfyniad MLA

Journal of Speech, Language, and Hearing Research. Cambridge University Press.

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