Dyfyniad APA

American Speech-Language-Hearing Association. Journal of speech, language, and hearing research. American Speech-Language-Hearing Association.

Dyfyniad Arddull Chicago

American Speech-Language-Hearing Association. Journal of Speech, Language, and Hearing Research. [Rockville, MD]: American Speech-Language-Hearing Association.

Dyfyniad MLA

American Speech-Language-Hearing Association. Journal of Speech, Language, and Hearing Research. American Speech-Language-Hearing Association.

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