Dyfyniad APA

Ham, R. E. (1990). Therapy of stuttering: Preeschool through adolescence. Prentice Hall.

Dyfyniad Arddull Chicago

Ham, Richard E. Therapy of Stuttering: Preeschool Through Adolescence. Prentice Hall, 1990.

Dyfyniad MLA

Ham, Richard E. Therapy of Stuttering: Preeschool Through Adolescence. Prentice Hall, 1990.

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