Dyfyniad APA

American Speech-Language-Hearing Association. American journal of speech-language pathology. American Speech-Language-Hearing Association.

Dyfyniad Arddull Chicago

American Speech-Language-Hearing Association. American Journal of Speech-language Pathology. Rockville, Md.: American Speech-Language-Hearing Association.

Dyfyniad MLA

American Speech-Language-Hearing Association. American Journal of Speech-language Pathology. American Speech-Language-Hearing Association.

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