Ham, R. E. (1990). Therapy of stuttering: Preeschool through adolescence. Prentice Hall.
Cita Chicago (17th ed.)Ham, Richard E. Therapy of Stuttering: Preeschool Through Adolescence. Prentice Hall, 1990.
Cita MLA (9th ed.)Ham, Richard E. Therapy of Stuttering: Preeschool Through Adolescence. Prentice Hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.