Dyfyniad APA

Journal of Speech-Language Pathology & Applied Behavior Analysis. American Psychological Association.

Dyfyniad Arddull Chicago

Journal of Speech-Language Pathology & Applied Behavior Analysis. American Psychological Association.

Dyfyniad MLA

Journal of Speech-Language Pathology & Applied Behavior Analysis. American Psychological Association.

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